Soundcore Boom Go 3i Portable Bluetooth Speaker, 15W

1 / 6

Product guide

Soundcore Boom Go 3i Portable Bluetooth Speaker, 15W

Soundcore Boom Go 3i is a compact portable Bluetooth speaker listed with 15W output, an IP68 protection claim and a strap that can switch between clip and hand-carry modes. Its claimed 24-hour playtime, lighting effects and emergency phone charging add outdoor utility, though customer feedback reports a different battery-life figure that buyers should treat cautiously.

At a glance

Manufacturer claims 15W output and BassUp 2.0 bass enhancement in a palm-size speaker.
A claimed 24-hour playtime is paired with a battery-level display.
The supplied strap is described as switching between clip and hand-hold configurations.
Listing claims IP68 protection and drop protection from up to 1 metre.
Six music-reactive light modes and eight ambient lighting modes are claimed.
Emergency charging is claimed, including charging an iPhone 17 from 0% to 40% in about one hour.

Price

£37.99Save 37%

Reference price: ~~£59.99~~

Price checked: 12 Nov 2026

View offer Ahead of Black FridayExplore the selection

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

Clip-or-strap mounting gives hikers and cyclists a way to attach or carry the speaker without relying on a separate mount.
The feature set combines claimed dust and water protection with lighting and emergency phone charging for outdoor trips.
Small stated dimensions and 380 Grams listed weight support portable use.

Technical specifications

22 specifications

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

Audio
Maximum output power	15 Watts
Frequency response	80 Hz
Audio output mode	Stereo
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

Dimensions and installation
Mounting types listed	Versatile mounting (clip and strap)
Dimensions	10.6D x 10.5W x 4.6H centimetres
Weight	380 Grams

Materials and protection
Water resistance listed	Waterproof
Special features	Bass Boost, Dustproof, LED Light, Portable, Waterproof

Power
Input voltage	5 Volts
Battery detail listed	1 C batteries required.

Other listed details
Warranty type	Limited
Country of origin	China

What to know before buying

Listing details to confirm

Listing details conflict: the title claims 24-hour playtime while customer feedback reports 45-hour battery life. Battery life under actual use is therefore unconfirmed, and the listing also has an inconsistent battery detail of “1 C batteries required.” Confirm the intended battery specification and runtime before relying on it for long outings. IP68, 1-metre drop protection, charging performance and sound claims are manufacturer claims, not independent test results.

What’s in the box

Included

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

Who is it for?

A good fit for

Hikers, cyclists and campers who want a small speaker with clip-or-strap mounting and claimed water and dust protection.
Buyers who value built-in lighting and an emergency phone-charging function alongside portable Bluetooth audio.

Less suited to

Anyone who needs a dependable, verified all-day runtime or precise battery specification before travelling.
Buyers seeking a speaker with independently established protection or drop-test performance.

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

Customer reviews on Amazon

4.7 / 5 · 700 ratings

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

Customer feedback highlights perceived sound quality, loudness, portability, build quality and connectivity. The same summary reports 45-hour battery life, which conflicts with the listing title’s 24-hour claim, so it should not be used as a dependable runtime expectation. The positive feedback and generally favourable rating profile may reassure buyers prioritising compact everyday or travel audio, but ratings do not establish protection, charging performance or battery life.

Positive themes

Customers report pleasing sound quality and useful volume.
Feedback describes the speaker as portable, with a good balance of size and power.
Build quality and connectivity receive positive mentions.

Frequently asked questions

How long does the Boom Go 3i last on one charge?

The product title claims 24 hours, while the supplied customer-feedback summary reports 45 hours. These figures conflict, so runtime should be treated as unconfirmed rather than a guaranteed duration.

Can it be attached to a backpack or bicycle?

The listing describes a strap that can switch between clip mode for a backpack or bike and a hand-hold strap mode.

Can the speaker charge a phone?

Emergency charging is claimed. The listing says it can charge an iPhone 17 from 0% to 40% in about one hour, but this is a manufacturer claim.

What protection is claimed?

The listing claims IP68 dust and water protection and drop protection from up to 1 metre. These are not independently verified here.