OVERALL
ALTERNATIVES
SPECS
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Scored using Portable Speakers Methodology v1.0
Portable Speakers Methodology v1.0
Mathematical & Unbiased Scoring
Products in this category are scored under Frontum Portable Speakers Methodology v1.0: technical specifications plus authentic consumer ratings, with 0% commercial bias.
Explore Portable Speakers Methodology v1.0

Boat Stone 135 Review | 130 Data compared

Avg. price:~£35Audio output power:5.00 WBattery life:11 hoursIP rating:IPX4Bluetooth version:5.0Weight:204 g

Boat Stone 135 Review: Compare 130 technical specifications and user reviews to see how this product ranks in the Portable Speakers category and whether it is worth buying.

Boat Stone 135
6.8/10

Overall score

Score
6.8/ 10
✕
What it is
An overall evaluation of products in the Portable Speakers category, based on technical analysis and user reviews.
When it matters
When you need a quick reference for identifying the best products in the Portable Speakers category.
Score distribution
â–¼
<55-66-77-88-99-10
â–² Better than 56% of models
Score components

80%

6.3

Technical score

20%

8.7

User score

â–²Better than 56% of portable speakers
7.8

Value for money

Value for money
7.8/ 10
✕
What it is
An indicator that combines the overall score of products in the Portable Speakers category with their prices.
When it matters
When you are comparing products in the Portable Speakers category and want a good balance between quality and price.
Score distribution
â–¼
<55-66-77-88-99-10
â–² Better than 68% of models
Score components

70%

6.8

Overall score

30%

10

Price

â–²Better than 68%
6.3

Technical score

Technical score
6.3/ 10
✕
What it is
An assessment of technical performance for products in the Portable Speakers category across these key areas: Audio, Connectivity, Battery, Durability, Controls, Design, Smart features.
When it matters
When you want to compare products in the Portable Speakers category by technical performance, specifications, and available features.
Score distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 64% of models
Score components

32%

5.5

Audio

20%

6.8

Battery

18%

7.0

Durability

16%

5.4

Connectivity

8%

7.4

Controls

3%

9.1

Design

3%

6.2

Smart features

â–¼Worse than 64%
8.7

User score

User score
8.7/ 10
✕
What it is
A rating that combines user reviews with the total review volume for products in the Portable Speakers category.
When it matters
When you want to know how products in the Portable Speakers category perform in everyday use and how reliable owners find them over time.
Score distribution
â–¼
<55-66-77-88-99-10
â–² Better than 81% of models
Score components

70%

8.1

User ratings

30%

10

Number of reviews

Based on ratings from across the web.
â–²Better than 81%
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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 portable speaker Boat Stone 135

Technical score
Technical score
6.3/ 10
✕
What it is
An assessment of technical performance for products in the Portable Speakers category across these key areas: Audio, Connectivity, Battery, Durability, Controls, Design, Smart features.
When it matters
When you want to compare products in the Portable Speakers category by technical performance, specifications, and available features.
Score distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 64% of models
Score components:

32%

5.5

Audio

20%

6.8

Battery

18%

7.0

Durability

16%

5.4

Connectivity

8%

7.4

Controls

3%

9.1

Design

3%

6.2

Smart features

6.3
User score
User score
8.7/ 10
✕
What it is
A rating that combines user reviews with the total review volume for products in the Portable Speakers category.
When it matters
When you want to know how products in the Portable Speakers category perform in everyday use and how reliable owners find them over time.
Score distribution
â–¼
<55-66-77-88-99-10
â–² Better than 81% of models
Score components

70%

8.1

User ratings

30%

10

Number of reviews

Based on ratings from across the web.
8.7
Popularity
Popularity
10/ 10
✕
What it is
An indicator based on the number of reviews received by products in the Portable Speakers category.
When it matters
When you prefer products in the Portable Speakers category that have been chosen and reviewed by many other buyers.
Score distribution
â–¼
<55-66-77-88-99-10
★ Better than 92% of models
Popularity:
Boat Stone 135 has a popularity score of 10 points, which is higher than 92% of products in this category.
10
Value for money
Value for money
7.8/ 10
✕
What it is
An indicator that combines the overall score of products in the Portable Speakers category with their prices.
When it matters
When you are comparing products in the Portable Speakers category and want a good balance between quality and price.
Score distribution
â–¼
<55-66-77-88-99-10
â–² Better than 68% of models
Score components:

70%

6.8

Overall score

30%

10

Price

7.8
Audio output power
5 W
Market range: <4 W – >100 W
This portable speaker has an audio output power of 5 W which is lower than that of 80% of portable speakers and equal to that of 8.9% of portable speakers.
Driver unit size
50 mm
Market range: <38 mm – >101 mm
This portable speaker has a driver unit size of 50 mm which is larger than that of 43.8% of portable speakers and equal to that of 10.2% of portable speakers.
Number of drivers
1
Market range: <0 – >5
This portable speaker has 1 drivers, which is fewer than 75.6% of portable speakers and equal to the number in 24.4% of portable speakers.
Frequency response tolerance
?
Lowest frequency
80 Hz
Market range: <20 Hz – >120 Hz
This portable speaker has a lowest frequency of 80 Hz which is higher than that of 68.5% of portable speakers and equal to that of 9.4% of portable speakers.
Show more
Bluetooth connectivity
yes
This portable speaker supports Bluetooth audio. 5.4% of portable speakers offer this feature.
Bluetooth version
5
Market range: <3 – >5.3
This portable speaker supports Bluetooth version 5 which is newer than that of 46.3% of portable speakers and equal to that of 24.4% of portable speakers.
Maximum Bluetooth range
10 m
Market range: <10 m – >30 m
This portable speaker has a maximum Bluetooth range of 10 m which is longer than that of 4.3% of portable speakers and equal to that of 70.2% of portable speakers.
Bluetooth profiles supported
?
Bluetooth LE Audio
no
This portable speaker does not support Bluetooth LE Audio. 2.5% of portable speakers offer this feature.
Show more
Battery life
11 hours
Market range: <6 hours – >24 hours
This portable speaker has a battery life of 11 hours which is shorter than that of 52.3% of portable speakers and equal to that of 1.6% of portable speakers.
Battery capacity
?
Charging time
2 hours
Market range: <2 hours – >5 hours
This portable speaker has a charging time of 2 hours which is shorter than that of 72.9% of portable speakers and equal to that of 22.6% of portable speakers.
Maximum charging input power
10 W
Market range: <5 W – >30 W
This portable speaker has a maximum charging input power of 10 W which is higher than that of 44.3% of portable speakers and equal to that of 26.1% of portable speakers.
Built-in rechargeable battery
yes
This portable speaker has a built-in rechargeable battery. 18.7% of portable speakers offer this feature.
Show more
IP rating
IPX4
This portable speaker has an IP rating of IPX4 which provides worse ingress protection than 77.7% of portable speakers and the same ingress protection as 21% of portable speakers.
Water resistance
yes
This portable speaker is water resistant. 38.3% of portable speakers offer this feature.
Dust resistance
?
Waterproof depth rating
?
Drop resistance
?
Show more
On-device controls placement
side
Touchscreen
no
This portable speaker does not have a touchscreen. 0.3% of portable speakers offer this feature.
Smartphone app control
yes
This portable speaker supports smartphone app control. 46.1% of portable speakers offer this feature.
Compatible mobile app provides speaker control or settings.
Remote control
no
This portable speaker does not include a remote control. 15% of portable speakers offer this feature.
Fast pairing
no
This portable speaker does not support fast pairing. 22.5% of portable speakers offer this feature.
Show more
Weight
204 g
Market range: <200 g – >5.6k g
This portable speaker weighs 204 g which is lighter than that of 89.7% of portable speakers and equal to that of 0.1% of portable speakers.
Height
10.5 cm
Market range: <5.79 cm – >29 cm
This portable speaker has a height of 10.5 cm which is shorter than that of 58.3% of portable speakers and equal to that of 0.6% of portable speakers.
Width
?
Depth
5 cm
Market range: <4.3 cm – >19.97 cm
This portable speaker has a depth of 5 cm which is shallower than that of 82.2% of portable speakers and equal to that of 1.9% of portable speakers.
Carry options
handle
Show more
Companion app name
?
Firmware updates
no
This portable speaker does not support firmware updates. 47.2% of portable speakers offer this feature.
Firmware update method
?
Voice assistant support
yes
This portable speaker supports voice assistants. 73.6% of portable speakers offer this feature.
Supports direct voice-assistant control.
Spotify Connect
no
This portable speaker does not support Spotify Connect. 10.8% of portable speakers offer this feature.
Show more

Boat Stone 135 vs the average portable speaker

246810TotalAudioConnectivityBatteryDurabilityControlsDesignSmart features
  • 1 hours shorter charging time
    This portable speaker has a shorter charging time than the average portable speaker (2 hours vs 3 hours).
    2 hours vs 3 hours
  • Has an equalizer
    This portable speaker has an equalizer, while the average portable speaker does not have an equalizer.
    Offers user-selectable EQ, tone adjustment, or sound presets.
  • Has a USB Type-C port
    This portable speaker has a USB Type-C port, while the average portable speaker does not have a USB Type-C port.
    Has a physical USB-C port.
  • 596 g lighter
    This portable speaker is lighter than the average portable speaker (204 g vs 800 g).
    204 g vs 800 g
  • Supports voice assistants
    This portable speaker supports voice assistants, while the average portable speaker does not support voice assistants.
    Supports direct voice-assistant control.
  • Has an external memory card slot
    This portable speaker has an external memory card slot, while the average portable speaker does not have an external memory card slot.
    Has a removable memory-card slot for playback.
  • Has an FM radio
    This portable speaker has an FM radio, while the average portable speaker does not have an FM radio.
  • 2.38x more popular
    Boat Stone 135 is more popular than the average portable speaker (10 vs 4.21).
    10 vs 4.21
  • 2.38x more popular
    Boat Stone 135 is more popular than the average portable speaker (10 vs 4.21).
    10 vs 4.21
  • 8.6% higher user score
    User score
    8.7/ 10
    ✕
    What it is
    A rating that combines user reviews with the total review volume for products in the Portable Speakers category.
    When it matters
    When you want to know how products in the Portable Speakers category perform in everyday use and how reliable owners find them over time.
    Score distribution
    â–¼
    â–¼
    <55-66-77-88-99-10
    Boat Stone 135
    the average portable speaker
    Boat Stone 135 has a higher user score than the average portable speaker (8.69 vs 8).
    8.69 vs 8
  • 2.57x cheaper
    Boat Stone 135 is cheaper than the average portable speaker (£35 vs £90).
    £35 vs £90
  • Has a USB Type-C port
    This portable speaker has a USB Type-C port, while the average portable speaker does not have a USB Type-C port.
    Has a physical USB-C port.
  • Has an external memory card slot
    This portable speaker has an external memory card slot, while the average portable speaker does not have an external memory card slot.
    Has a removable memory-card slot for playback.
  • 1 hours shorter charging time
    This portable speaker has a shorter charging time than the average portable speaker (2 hours vs 3 hours).
    2 hours vs 3 hours
  • Has an equalizer
    This portable speaker has an equalizer, while the average portable speaker does not have an equalizer.
    Offers user-selectable EQ, tone adjustment, or sound presets.
  • Has an FM radio
    This portable speaker has an FM radio, while the average portable speaker does not have an FM radio.
  • 596 g lighter
    This portable speaker is lighter than the average portable speaker (204 g vs 800 g).
    204 g vs 800 g
  • 3.3 cm shallower
    This portable speaker is shallower than the average portable speaker (5 cm vs 8.3 cm).
    5 cm vs 8.3 cm
  • Supports voice assistants
    This portable speaker supports voice assistants, while the average portable speaker does not support voice assistants.
    Supports direct voice-assistant control.
  • 15 W less audio output power
    This portable speaker has less audio output power than the average portable speaker (5 W vs 20 W).
    5 W vs 20 W
  • Does not include a passive radiator
    This portable speaker does not include a passive radiator, while the average portable speaker includes a passive radiator.
  • 20 Hz less deep bass extension
    This portable speaker has less deep bass extension than the average portable speaker (80 Hz vs 60 Hz).
    80 Hz vs 60 Hz
  • 5 °C higher minimum operating temperature
    This portable speaker has a higher minimum operating temperature than the average portable speaker (5 °C vs 0 °C).
    5 °C vs 0 °C
  • 1 fewer speaker drivers
    This portable speaker has fewer speaker drivers than the average portable speaker (1 vs 2).
    1 vs 2
  • Worse ingress protection
    This portable speaker has worse ingress protection than the average portable speaker (IPX4 vs IPX5).
    IPX4 vs IPX5
  • 1 fewer multipoint connections
    This portable speaker has fewer multipoint connections than the average portable speaker (0 vs 1).
    0 vs 1
  • 1 hours shorter battery life
    This portable speaker has a shorter battery life than the average portable speaker (11 hours vs 12 hours).
    11 hours vs 12 hours
  • 15 W less audio output power
    This portable speaker has less audio output power than the average portable speaker (5 W vs 20 W).
    5 W vs 20 W
  • Does not include a passive radiator
    This portable speaker does not include a passive radiator, while the average portable speaker includes a passive radiator.
  • 20 Hz less deep bass extension
    This portable speaker has less deep bass extension than the average portable speaker (80 Hz vs 60 Hz).
    80 Hz vs 60 Hz
  • 1 fewer speaker drivers
    This portable speaker has fewer speaker drivers than the average portable speaker (1 vs 2).
    1 vs 2
  • 1 fewer multipoint connections
    This portable speaker has fewer multipoint connections than the average portable speaker (0 vs 1).
    0 vs 1
  • 1 hours shorter battery life
    This portable speaker has a shorter battery life than the average portable speaker (11 hours vs 12 hours).
    11 hours vs 12 hours
  • 5 °C higher minimum operating temperature
    This portable speaker has a higher minimum operating temperature than the average portable speaker (5 °C vs 0 °C).
    5 °C vs 0 °C
  • Worse ingress protection
    This portable speaker has worse ingress protection than the average portable speaker (IPX4 vs IPX5).
    IPX4 vs IPX5

Video reviews

Hands-on testing, unboxing, and real-world video evaluations

Third-party reviews

Based on ratings from across the web.
Reviews last updated: August 2026 · How we calculate this

What customers like about Boat Stone 135

  • Extremely compact, lightweight, and highly portable design
  • Excellent value for money at a highly affordable budget price point
  • Impressive vocal clarity and crisp audio performance for its small size
  • Strong battery backup offering up to 11 hours of playtime at moderate volume
  • Sturdy and durable build quality with a premium-feeling rubberised finish
  • IPX4 splash and water resistance allows for worry-free indoor or poolside use
  • Versatile connectivity options including Bluetooth 5.0, TF/MicroSD card slot, and FM radio support
  • Supports True Wireless Stereo (TWS) to pair two units together for a louder sound stage

What customers don't like about Boat Stone 135

  • Bass lacks depth and punch for bass-heavy tracks due to the tiny 5W single driver
  • Maximum volume level is quite low, making it unsuitable for loud or noisy outdoor environments
  • Lacks a modern USB Type-C charging port, relying instead on an outdated Micro-USB connection
  • Does not feature a physical 3.5mm AUX input port for wired audio connections
  • Micro-USB charging cable must be plugged in to act as an external antenna for clear FM radio reception
  • The attached carrying strap feels flimsy and can break relatively easily with rough handling

Verdict

The boAt Stone 135 is an ultra-compact portable wireless speaker weighing roughly 221 grams and featuring a 2-inch dynamic driver that delivers 5W RMS audio output. It is equipped with Bluetooth v5.0 connectivity alongside a built-in microphone for hands-free calling, voice assistant support, and versatile playback options including an FM radio mode and a TF/microSD card slot. Key advantages include an IPX4 splash and sweat resistance rating, True Wireless Stereo (TWS) functionality to pair two units together, and an 800mAh battery providing up to 11 hours of playtime at 80% volume on a 2.5-hour charge. However, notable drawbacks include noticeable sound distortion when pushed to maximum volume levels, a lack of an auxiliary (AUX) input jack for wired connections, and reliance on an outdated micro-USB charging interface on older product batches.

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