OVERALL
ALTERNATIVES
SPECS
VS AVERAGE
REVIEWS
Scored using Smartwatches Methodology v3.0
Smartwatches Methodology v3.0
Mathematical & Unbiased Scoring
Products in this category are scored under Frontum Smartwatches Methodology v3.0: the technical score from the specifications is the base, and independent expert and video reviews (up to ±0.5 points), owner opinions (up to ±0.3) and best-of lists (up to +0.3) move it up or down.
Explore Smartwatches Methodology v3.0

Mykronoz ZeRound2 HR Premium review: 127 specs compared

Avg. price:~£90Screen size:1.22 inchBattery life:3 daysDisplay type:TFT LCD

Mykronoz ZeRound2 HR Premium Review: Compare 127 technical specifications to see how this product ranks in the Smartwatches category and whether it is worth buying.

Mykronoz ZeRound2 HR Premium
6.3/10

Overall score

Score
6.3/ 10
✕
What it is
Our main score for this model, 1–10. It combines specs, best-of lists, expert reviews and owners.
How we count it
Parts: Technical score 35%, List score 30%, Reviews score 25%, Sentiment score 10%
Marks: Each part gets a mark out of 10. For reviews, lists and owners, a typical model in this category gets about 8 and the best one gets 10.
No data yet: A part with no data shows "?". It counts as the mark of a weaker model in this category (4 in 5 models with data score higher). This way, models with reviews, lists and owners usually come out ahead.
Score distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 77% of models
Score components

35%

4.2

Technical score

30%

?

List scoreNot enough data yet, so we use 7.5, the mark of a weaker model in this category

25%

?

Reviews scoreNot enough data yet, so we use 7.4, the mark of a weaker model in this category

10%

?

Sentiment scoreNot enough data yet, so we use 6.8, the mark of a weaker model in this category

â–¼Worse than 77% of smartwatches
7.4

Value for money

Value for money
7.4/ 10
✕
What it is
An indicator that combines the smartwatch's overall rating with its cost.
When it matters
When you are looking for a smartwatch with a good balance between quality and price.
Score distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 73% of models
Score components

70%

6.3

Overall score

30%

10

Price

â–¼Worse than 73%
4.2

Technical score

Technical score
4.2/ 10
✕
What it is
How good the specs are compared with the other models in this category, 1–10.
How we count it
Areas: We rate the specs in each area against the other models in this category.
Weighting: The areas that matter most to buyers count more. The shares are shown under Score components.
Share: The technical score is 35% of the overall score.
Score distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 97% of models
Score components

24%

3.3

Health

21%

4.9

Fitness

16%

3.9

Battery

14%

5.0

Smart features

12%

2.6

Connectivity

9%

5.9

Display & Design

4%

5.7

Hardware

â–¼Worse than 97%
?

Reviews score

Reviews score
✕
What it is
Average grade from independent test sites, magazines and video reviewers, 1–10.
How we count it
Grades: Each review's own score is converted to 1–10; without one, we grade the review ourselves. Every review counts the same: written or video, short or full test.
Score: The average grade is 80% of the review mark; the number of reviews is the other 20% (1 review = 5, the typical number in this category = 8, the most-reviewed model = 10).
Enough data: With few reviews, the average grade is pulled toward the typical grade of this category. No reviews yet: 7.4 for now.
Share: Reviews count 25% of the overall score.
Score distribution
â–¼
<55-66-77-88-99-10
Grades by review (0)
We have not found an independent test of this model yet. Until we do, its review part counts as 7.4.
User ratings collected online are not part of this score.
No expert tests yet
?

List score

List score
7.5/ 10
✕
What it is
How often independent test sites, magazines and video reviewers put this model in their best-of lists for this category.
How we count it
Points: The model in the most lists of this category gets 10; the others get 8 to 10 in proportion. In no list yet: 7.5. Lists count 30% of the overall score.
Enough data: Every list counts, even a single one. With fewer than 5 best-of lists in the category, this part is left out.
Lists with this model (0)
Not in any best-of list yet, so this part counts as 7.5. Models in a list get 8 to 10.
Not in any best-of list yet
  • mykronoz-zeround2-hr-premium
  • mykronoz-zeround2-hr-premium
  • mykronoz-zeround2-hr-premium
  • mykronoz-zeround2-hr-premium
  • mykronoz-zeround2-hr-premium
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mykronoz-zeround2-hr-premium
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Where to buy
*As an Amazon Associate, we earn from qualifying purchases.
Best rankings
Available: ranking among products currently available (including other versions of this product).All: ranking among all products in the database.
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Technical Specifications of smartwatch Mykronoz ZeRound2 HR Premium

Technical score
Technical score
4.2/ 10
✕
What it is
How good the specs are compared with the other models in this category, 1–10.
How we count it
Areas: We rate the specs in each area against the other models in this category.
Weighting: The areas that matter most to buyers count more. The shares are shown under Score components.
Share: The technical score is 35% of the overall score.
Score distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 97% of models
Score components:

24%

3.3

Health

21%

4.9

Fitness

16%

3.9

Battery

14%

5.0

Smart features

12%

2.6

Connectivity

9%

5.9

Display & Design

4%

5.7

Hardware

4.2
Reviews score
7.4
List score
?
Value for money
Value for money
7.4/ 10
✕
What it is
An indicator that combines the smartwatch's overall rating with its cost.
When it matters
When you are looking for a smartwatch with a good balance between quality and price.
Score distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 73% of models
Score components:

70%

6.3

Overall score

30%

10

Price

7.4
Heart rate monitor
yes
This smartwatch includes a heart rate monitor. 9.5% of smartwatches include a heart rate monitor.
Blood oxygen monitoring
no
This smartwatch does not support blood oxygen monitoring. 69.7% of smartwatches support blood oxygen monitoring.
ECG
no
This smartwatch does not support ECG. 18.2% of smartwatches support ECG.
Irregular heart rate warnings
no
This smartwatch does not support irregular heart rate warnings. 50.6% of smartwatches support irregular heart rate warnings.
HRV tracking
no
This smartwatch does not support HRV tracking. 45.2% of smartwatches support HRV tracking.
Show more
Accelerometer
yes
This smartwatch includes an accelerometer. 0.5% of smartwatches include an accelerometer.
Barometer
no
This smartwatch does not include a barometer. 53.6% of smartwatches include a barometer.
Gyroscope
no
This smartwatch does not include a gyroscope. 71.3% of smartwatches include a gyroscope.
Cadence sensor
no
This smartwatch does not include a cadence sensor. 32.9% of smartwatches include a cadence sensor.
Distance tracking
yes
This smartwatch supports distance tracking. 3.7% of smartwatches support distance tracking.
Show more
Battery life
3 days
Market range: <1 day – >20 days
This smartwatch lasts 3 days on a charge, which is shorter than 76.7% of Smartwatches and the same as 3.5% of Smartwatches.
Battery life in training mode
?
Battery life with GPS on
N/A
Battery power
260 mAh
Market range: <200 mAh – >500 mAh
This smartwatch has a 260 mAh battery, which is smaller than 68% of Smartwatches and the same as 2.6% of Smartwatches.
Charge time
120 min
Market range: <60 min – >150 min
This smartwatch charges from empty in 120 min, which is quicker than 13.3% of Smartwatches and the same as 44.6% of Smartwatches.
Show more
Operating system
Proprietary OS
This smartwatch runs Proprietary OS, which is less advanced than the system in 54.2% of Smartwatches and equal to 42% of Smartwatches.
Software update frequency
ended
This smartwatch has ended software update support which is less active than that of 46.1% of smartwatches and equal to that of 53.9% of smartwatches.
Third-party app support
no
This smartwatch does not support third-party apps. 51.6% of smartwatches support third-party apps.
Notifications
yes
This smartwatch supports notifications. 0.3% of smartwatches support notifications.
Voice assistant support
yes
This smartwatch supports voice assistants. 30.8% of smartwatches support voice assistants.
Show more
Cellular module
no
This smartwatch does not include a cellular module. 16.7% of smartwatches include a cellular module.
SIM cards
0
GPS
no
This smartwatch does not support GPS. 59.8% of smartwatches support GPS.
Galileo support
no
This smartwatch does not support Galileo navigation. 43.6% of smartwatches support Galileo navigation.
Dual-frequency GPS
no
This smartwatch does not support dual-frequency GPS. 15.1% of Smartwatches offer this.
Show more
Screen size
1.22 inch
Market range: <1.2 inch – >1.83 inch
This smartwatch has a 1.22 inch screen, which is smaller than 83.9% of Smartwatches and the same as 0.6% of Smartwatches.
Display type
TFT LCD
This smartwatch uses TFT LCD, which is less advanced than the screen in 76.5% of Smartwatches and equal to 14.5% of Smartwatches.
Resolution
204x 240
This smartwatch has a display resolution of 204x240 which is lower than that of 90.4% of smartwatches and equal to that of 0.7% of smartwatches.
Pixel density
258 ppi
Market range: <213 ppi – >461 ppi
This smartwatch has a pixel density of 258 ppi, which is lower than 80.3% of Smartwatches and equal to 0.6% of Smartwatches.
Display brightness
?
Show more
CPU speed
?
Processor model
?
RAM
?
Internal storage
0.256 GB
Market range: <0 GB – >32 GB
This smartwatch has 0.256 GB of internal storage, which is less than 65.7% of Smartwatches and equal to 0.7% of Smartwatches.
256 MB internal ROM.
External memory slot
no
This smartwatch does not include an external memory slot. 0.3% of smartwatches include an external memory slot.
Show more

Mykronoz ZeRound2 HR Premium vs the average smartwatch

246810TotalHealthFitnessBatteryConnectivityDisplay & DesignSmart featuresHardware
  • Stronger display glass
    This smartwatch uses sapphire display glass, while the average smartwatch uses mineral glass.
    sapphire vs mineral glass
  • Calorie tracking
    This smartwatch supports calorie tracking, the average smartwatch does not. 48.7% of smartwatches support calorie tracking.
  • 6 mm slimmer strap
    This smartwatch has a slimmer strap than the average smartwatch (16 mm vs 22 mm). The average smartwatch has a 22 mm strap.
    16 mm vs 22 mm
  • Better case material
    This smartwatch uses stainless steel for the case material, while the average smartwatch uses polycarbonate.
    stainless steel vs polycarbonate
  • Better band material
    This smartwatch uses silicone, leather for the band material, while the average smartwatch uses silicone.
    silicone, leather vs silicone
  • 15 °C higher heat tolerance
    This smartwatch tolerates a higher temperature than the average smartwatch (60 °C vs 45 °C). The average smartwatch is rated up to 45 °C.
    60 °C vs 45 °C
  • Calorie tracking
    This smartwatch supports calorie tracking, the average smartwatch does not. 48.7% of smartwatches support calorie tracking.
  • Stronger display glass
    This smartwatch uses sapphire display glass, while the average smartwatch uses mineral glass.
    sapphire vs mineral glass
  • 6 mm slimmer strap
    This smartwatch has a slimmer strap than the average smartwatch (16 mm vs 22 mm). The average smartwatch has a 22 mm strap.
    16 mm vs 22 mm
  • Better case material
    This smartwatch uses stainless steel for the case material, while the average smartwatch uses polycarbonate.
    stainless steel vs polycarbonate
  • Better band material
    This smartwatch uses silicone, leather for the band material, while the average smartwatch uses silicone.
    silicone, leather vs silicone
  • 15 °C higher heat tolerance
    This smartwatch tolerates a higher temperature than the average smartwatch (60 °C vs 45 °C). The average smartwatch is rated up to 45 °C.
    60 °C vs 45 °C
  • No VO2 max measurement
    This smartwatch does not measure VO2 max, the average smartwatch does. 51.3% of smartwatches measure VO2 max.
  • No blood oxygen monitoring
    This smartwatch does not support blood oxygen monitoring, the average smartwatch does. 69.6% of smartwatches support blood oxygen monitoring.
  • No GPS support
    This smartwatch does not support GPS, the average smartwatch does. 59.7% of smartwatches support GPS.
  • No third-party apps
    This smartwatch does not support third-party apps, the average smartwatch does. 51.6% of smartwatches support third-party apps.
  • No irregular heart rate alerts
    This smartwatch does not support irregular heart rate warnings, the average smartwatch does. 50.6% of smartwatches support irregular heart rate warnings.
  • No stress monitoring
    This smartwatch does not support stress monitoring, the average smartwatch does. 68.7% of smartwatches support stress monitoring.
  • More basic display
    This smartwatch uses a more basic screen than the average smartwatch (TFT LCD vs AMOLED).
    TFT LCD vs AMOLED
  • No elevation tracking
    This smartwatch does not support elevation tracking, the average smartwatch does. 67.6% of smartwatches support elevation tracking.
  • 5.1% worse value for money
    Mykronoz ZeRound2 HR Premium has a lower value-for-money score than the average smartwatch (7.39 vs 7.8).
    7.39 vs 7.76
  • No VO2 max measurement
    This smartwatch does not measure VO2 max, the average smartwatch does. 51.3% of smartwatches measure VO2 max.
  • No blood oxygen monitoring
    This smartwatch does not support blood oxygen monitoring, the average smartwatch does. 69.6% of smartwatches support blood oxygen monitoring.
  • No irregular heart rate alerts
    This smartwatch does not support irregular heart rate warnings, the average smartwatch does. 50.6% of smartwatches support irregular heart rate warnings.
  • No stress monitoring
    This smartwatch does not support stress monitoring, the average smartwatch does. 68.7% of smartwatches support stress monitoring.
  • No cycle tracking
    This smartwatch does not support menstrual cycle tracking, the average smartwatch does. 66.8% of smartwatches support menstrual cycle tracking.
  • 4 years older
    This smartwatch was released earlier than the average smartwatch (2017 vs 2021). The average smartwatch was released in 2021.
    October 2017
    2017 vs 2021
  • No elevation tracking
    This smartwatch does not support elevation tracking, the average smartwatch does. 67.6% of smartwatches support elevation tracking.
  • No automatic activity detection
    This smartwatch does not support automatic activity detection, the average smartwatch does. 81.8% of smartwatches support automatic activity detection.
  • No barometer
    This smartwatch does not include a barometer, the average smartwatch does. 53.6% of smartwatches include a barometer.
  • No pace tracking
    This smartwatch does not support pace tracking, the average smartwatch does. 80.6% of smartwatches support pace tracking.
  • No coaching features
    This smartwatch does not support coaching, the average smartwatch does. 58.8% of smartwatches support coaching.
  • No gyroscope
    This smartwatch does not include a gyroscope, the average smartwatch does. 71.2% of smartwatches include a gyroscope.
  • No auto-pause
    This smartwatch does not support auto pause, the average smartwatch does. 62.6% of smartwatches support auto pause.
  • No swim mode
    This smartwatch does not include a swim sport mode, the average smartwatch does. 76.9% of smartwatches include a swim sport mode.
  • No route support
    This smartwatch does not support route support, the average smartwatch does. 54.4% of smartwatches support route support.
  • 75 fewer exercise types
    This smartwatch includes fewer exercise types than the average smartwatch (15 vs 90). The average smartwatch includes 90 exercise types.
    15 vs 90
  • No achievement tracking
    This smartwatch does not support achievements, the average smartwatch does. 87% of smartwatches support achievements.
  • No exercise tagging
    This smartwatch does not support exercise tagging, the average smartwatch does. 94.2% of smartwatches support exercise tagging.
  • 4 days shorter battery life
    This smartwatch runs for less time per charge than the average smartwatch (3 days vs 7 days). The average smartwatch runs for 7 days on a charge.
    3 days vs 7 days
  • No low-power mode
    This smartwatch does not include a low power mode, the average smartwatch does. 93.1% of smartwatches include a low power mode.
  • Basic battery type
    This smartwatch uses a Li-ion battery, while the average smartwatch uses Li-Po.
    Li-ion vs Li-Po
  • 45 mAh smaller battery capacity
    This smartwatch has a smaller battery than the average smartwatch (260 mAh vs 305 mAh). The average smartwatch has a 305 mAh battery.
    260 mAh vs 305 mAh
  • No GPS support
    This smartwatch does not support GPS, the average smartwatch does. 59.7% of smartwatches support GPS.
  • No compass
    This smartwatch does not include a compass, the average smartwatch does. 56.7% of smartwatches include a compass.
  • More basic display
    This smartwatch uses a more basic screen than the average smartwatch (TFT LCD vs AMOLED).
    TFT LCD vs AMOLED
  • No always-on display
    This smartwatch does not have an always-on display, the average smartwatch does. 70.3% of smartwatches have an always-on display.
  • Weaker ingress protection
    This smartwatch has weaker ingress protection than the average smartwatch (IP67 vs IP68).
    IP67 vs IP68
  • No ambient light sensor
    This smartwatch does not include an ambient light sensor, the average smartwatch does. 63.5% of smartwatches include an ambient light sensor.
  • 0.18 inch smaller display
    This smartwatch has a smaller screen than the average smartwatch (1.2 inch vs 1.4 inch). The average smartwatch has a 1.4 inch screen.
    1.22 inch vs 1.4 inch
  • Lower resolution
    This smartwatch has a display resolution of 204x240, while the average smartwatch reaches 360x360.
    204x240 vs 360x360
  • 68 ppi less sharp screen
    This smartwatch has a less sharp screen than the average smartwatch (258 ppi vs 326 ppi). The average smartwatch has a pixel density of 326 ppi.
    258 ppi vs 326 ppi
  • 8 g heavier
    This smartwatch is heavier than the average smartwatch (53 g vs 45 g). The average smartwatch weighs 45 g.
    53 g vs 45 g
  • No third-party apps
    This smartwatch does not support third-party apps, the average smartwatch does. 51.6% of smartwatches support third-party apps.
  • No music playback
    This smartwatch does not support music playback, the average smartwatch does. 57.1% of smartwatches support music playback.
  • No passcode
    This smartwatch does not include passcode protection, the average smartwatch does. 70.4% of smartwatches include passcode protection.
  • 93.6% less internal storage
    This smartwatch has less internal storage than the average smartwatch (0.3 GB vs 4 GB). The average smartwatch has 4 GB of internal storage.
    256 MB internal ROM.
    0.256 GB vs 4 GB

Third-party reviews

What customers like about Mykronoz ZeRound2 HR Premium

  • Elegant, high-quality 'Swiss' design and finish
  • Built-in microphone and speaker allow for answering calls directly from the wrist
  • Bright, sharp 1.22-inch color touchscreen display
  • Lightweight and comfortable for daily wear and sports
  • Variety of interchangeable bands and customisable watch faces
  • Water-resistant (IP67) suitable for various environments
  • Solid battery life, typically lasting up to 3 days

What customers don't like about Mykronoz ZeRound2 HR Premium

  • Frequent Bluetooth connection drops and syncing issues
  • Software and app are reported as buggy and occasionally freeze
  • Poor compatibility with iOS, including app crashes and sync failures
  • Cannot reply to text messages directly from the watch
  • Inaccurate or inconsistent step and fitness tracking
  • Speaker sound quality is relatively low for anything other than basic calls
  • Limited selection of third-party apps and watch faces compared to competitors

Verdict

The Mykronoz ZeRound2 HR Premium is an elegant smartwatch featuring a 1.22-inch TFT touchscreen (240x204 px) and a 260 mAh Li-ion battery providing up to 3 days of standby time. It is distinguished by its built-in microphone and speaker for handling calls directly from the wrist, an optical heart rate sensor, and a 3-axis accelerometer for tracking steps, distance, and sleep. Main pros include its IP67 water resistance, support for Siri and Google Now voice commands, and compatibility with standard 22mm interchangeable bands. However, notable cons include its lack of integrated GPS, occasional Bluetooth connectivity disruptions, and a relatively low-resolution display compared to modern OLED alternatives.

Compare Mykronoz ZeRound2 HR Premium with other Smartwatches

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