Soundcore Boom Go 3i Portable Bluetooth Speaker, 15W

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Product guide

Soundcore Boom Go 3i Portable Bluetooth Speaker, 15W

The Soundcore Boom Go 3i is a compact Bluetooth speaker specified for portable listening and outdoor use. Its listing claims 15W output, up to 24 hours of playback and emergency phone charging, alongside lighting and dust- and water-protection claims.

At a glance

The listing claims up to 24 hours of playtime and a real-time battery display.
A claimed 2-in-1 strap can be configured for clipping or holding, for carrying on outdoor trips.
The listing describes six music-reactive light modes and eight ambient modes, with customisable colours.
Emergency charging is claimed, including charging an iPhone 17 from 0% to 40% in about one hour.

Price

£33.25Save 45%

Reference price: ~~£59.99~~

Price checked: 12 Nov 2026

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Often bought together

Anker USB C to USB C Charger Cable, 100W Fast Charging Cable (6 ft/1.8m) | USB 2.0 Type C fast Charging Cable for MacBook Pro, iPhone 17/16/15, iPad Pro, Samsung Galaxy,and More

£5.99

Pros and cons

Pros

The listed 380-gram weight and compact dimensions suit buyers prioritising a portable speaker.
Bluetooth connectivity and touch controls are listed, with smartphones, tablets, laptops and televisions named as compatible devices.
The claimed strap offers clip and hand-carry configurations without requiring a separate mounting option.

Technical specifications

24 specifications

Identity
Brand	Soundcore
Model	soundcore Boom Go 3i
Colour	Black
Speaker type	Portable Speaker

Audio
Maximum output power	15 Watts
Frequency response	80 Hz
Audio output mode	Stereo
Number of audio channels	1.0
Driver type	Dynamic Driver
Driver size	53 Millimetres

Connectivity and controls
Wireless connection listed	Bluetooth
Control method	Touch
Bluetooth range	30 Metres
Compatible devices	Smartphone, Tablet, Laptop, Television

Dimensions and installation
Mounting type	Tabletop Mount
Dimensions (D x W x H)	10.6D x 10.5W x 4.6H centimetres
Weight	380 Grams

Materials and protection
Water resistance listed	Waterproof
Special features listed	Built-In Powerbank, Dustproof, LED Light, Portable, Waterproof

Power
Input voltage	5 Volts
Battery listing	1 C batteries required.

Other listing details
Warranty type	Limited
Spare part availability duration	1 Years
Country of origin	China

What to know before buying

Listing details to confirm

The listing is inconsistent about audio configuration: it calls the output Stereo but also lists 1.0 audio channels. Confirm the configuration if stereo separation matters. Its 24-hour playtime, IP68 protection and one-metre drop claim are manufacturer claims, not independently verified here. A customer-feedback summary reports 45-hour battery life, which conflicts with the listing's 24-hour figure, so treat runtime as unconfirmed. The listing also names a 5.3 cm speaker size and a 53 mm driver, which are equivalent dimensions despite different units.

What’s in the box

Included

Boom Go 3i
Quick Start Guide
USB-C to C cable (1.96 ft / 0.6 m)

Who is it for?

A good fit for

People wanting a small Bluetooth speaker for travel, cycling, hiking or camping.
Buyers interested in claimed dust and water protection, a configurable carry strap and built-in lighting.
Those who may value emergency phone charging, while recognising that it is described as an emergency feature rather than a primary power bank.

Less suited to

Buyers who need confirmed stereo-channel behaviour or a settled battery-runtime figure.
Anyone needing verified ruggedness or a measured water-resistance performance rather than listing claims.

Soundcore Boom Go 3i Portable Bluetooth Speaker, 15W · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.7 / 5 · 702 ratings

5 stars82%82%
4 stars10%10%
3 stars5%5%
2 stars2%2%
1 star1%1%

Customer feedback highlights sound quality, volume, portability, build quality and connectivity. The supplied summary also reports appreciation for battery life, but its stated 45-hour figure differs from the listing's 24-hour claim, so it does not settle expected runtime. These reported impressions may help buyers weighing a compact travel speaker, but they do not establish measured performance or resolve the listing's audio-channel inconsistency.

Positive themes

Customers are reported to praise sound quality, volume, portability, build quality and connectivity.

Frequently asked questions

How long does the Boom Go 3i battery last?

The product listing claims up to 24 hours, while the supplied customer-feedback summary mentions 45 hours. These figures conflict, so runtime should be treated as unconfirmed.

Is the Boom Go 3i stereo?

The listing says Stereo for audio output mode but also lists 1.0 audio channels. Check with the seller if stereo channel configuration is important.

Can this speaker charge a phone?

The listing describes emergency charging and claims an iPhone 17 can go from 0% to 40% in about one hour. It does not establish this as a substitute for a dedicated power bank.

What is included in the package?

The stated box contents are the Boom Go 3i, a Quick Start Guide and a USB-C to C cable listed as 1.96 ft / 0.6 m.