# 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.

- [Original product page](https://bargainpostbox.co.uk/product/soundcore-boom-go-3i-portable-bluetooth-speaker-b0gfn72rl1)
- [View offer](https://bargainpostbox.co.uk/visit/soundcore-boom-go-3i-portable-bluetooth-speaker-b0gfn72rl1)
- Market: UK
- Language: en-GB
- Currency: GBP
- Brand: Soundcore
- Model: soundcore Boom Go 3i
- Category: Electronics > Speakers & Soundbars > Speakers
- Price: 33.25 GBP
- Previous price: 59.99 GBP
- Discount: 45%
- Price checked: 2026-11-12T18:40:39.424Z
- Rating: 4.7 / 5
- Reviews: 702

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## 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.

## 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.

## 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

## Before you buy

- 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.

## In the box

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

## 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.

## Customer feedback

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.

## Alternative options

- [Bose SoundLink Plus Portable Bluetooth Speaker, Wireless Outdoor Speaker, Waterproof, 20-Hour Battery, Black](https://bargainpostbox.co.uk/visit/soundcore-boom-go-3i-portable-bluetooth-speaker-b0gfn72rl1)
- [Ortizan Bluetooth Speaker, Portable Wireless Bluetooth Speakers With Led Light, Louder Volume & Enhanced Bass, IPX7 Waterproof, 30H Playtime, Durable Loud Outdoor Speaker for Travel, Sport](https://bargainpostbox.co.uk/visit/soundcore-boom-go-3i-portable-bluetooth-speaker-b0gfn72rl1)
- [Ortizan Bluetooth Speaker, Speakers Wireless Bluetooth 5.3,IPX7 Waterproof, 24W Stereo Sound, 30H Playtime, RGB Light, TF Card & AUX Portable Bluetooth Speaker for Outdoor Travel, Sport](https://bargainpostbox.co.uk/visit/ortizan-x10-bluetooth-speaker)
- [aowoka Bluetooth Speaker, Portable Wireless Bluetooth 5.4 Speaker, 20W Stereo Sound, Deep Bass, LED Display, 20H Playtime, IPX7 Waterproof, TWS Pairing for Outdoor, Party, Travel](https://bargainpostbox.co.uk/visit/aowoka-s15-1-ytuk-bk5-bluetooth-speaker)
- [DEWALT Heavy Duty Wearable Bluetooth Speaker Pro Max - Portable Jobsite Clip-On Mini Speaker w/LED Work Light](https://bargainpostbox.co.uk/visit/soundcore-boom-go-3i-portable-bluetooth-speaker-b0gfn72rl1)
- [Bose SoundLink Max Portable Speaker, Large Waterproof Bluetooth Portable Sound Speaker, Up to 20 Hours of Battery Life, USB-C, Built-In 3.5 mm AUX Input, Black](https://bargainpostbox.co.uk/visit/soundcore-boom-go-3i-portable-bluetooth-speaker-b0gfn72rl1)
- [Bose SoundLink Plus Portable Bluetooth Speaker, Wireless Outdoor Speaker, Waterproof, 20-Hour Battery, Blue Dusk](https://bargainpostbox.co.uk/visit/soundcore-boom-go-3i-portable-bluetooth-speaker-b0gfn72rl1)
- [Bose SoundLink Flex Portable Bluetooth Speaker \(2nd Gen\), Small Portable Wireless Outdoor Speaker with Hi-Fi Audio, Up to 12 Hours Battery Life, Waterproof and Dustproof, Blue Dusk](https://bargainpostbox.co.uk/visit/soundcore-boom-go-3i-portable-bluetooth-speaker-b0gfn72rl1)
- [Bose SoundLink Plus Portable Bluetooth Speaker, Wireless Outdoor Speaker, Waterproof, 20-Hour Battery, Citrus Yellow - Limited Edition](https://bargainpostbox.co.uk/visit/soundcore-boom-go-3i-portable-bluetooth-speaker-b0gfn72rl1)
- [MIATONE Rush Pro Bluetooth Speaker, IPX7 Waterproof, 20W Deep Bass, 360° Sound, Switchable LED Light, Bluetooth Speaker TWS Compatible, Built-in Microphone, Bluetooth 5.4, Bath, Festival gifts \(Black\)](https://bargainpostbox.co.uk/visit/soundcore-boom-go-3i-portable-bluetooth-speaker-b0gfn72rl1)
- [RIENOK Bluetooth Speaker Portable Wireless, 30W Enhanced Bass, IPX7 Waterproof, Bluetooth 5.3, Outdoor Speaker for Travel and Sport](https://bargainpostbox.co.uk/visit/soundcore-boom-go-3i-portable-bluetooth-speaker-b0gfn72rl1)

## Add-ons

- [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](https://bargainpostbox.co.uk/visit/anker-a8757011-usb-c-to-usb-c-cable-100w-18m)

## Images

![Soundcore Boom Go 3i Portable Bluetooth Speaker, 15W — 1](https://bargainpostbox.co.uk/i/NS10HXgYmWbQntlzl3AUw5GP_ZJRbH5yah6vsGZw_8Und1BKToWtvOu5N89iU9HBd465IDBiSXBz48HOxnH3fY_0NERerdz3kH-ZUKj4G_JRxENiylt_f3nD.jpg)

![Soundcore Boom Go 3i Portable Bluetooth Speaker, 15W — 2](https://bargainpostbox.co.uk/i/bAAGPwnzfYqVnNgPLgMy7Dpr0SbqbDn1mkHFFoYLI5_nAc_BFbXTab7CVdRVi-4tOt3b-3V7cYUDVySal6bf0vRVCbcw4bwzOyphW_asbauk2SW3RAaQJB7d.jpg)

![Soundcore Boom Go 3i Portable Bluetooth Speaker, 15W — 3](https://bargainpostbox.co.uk/i/chnCd7EPjaNrcEHmRV_QlDDBRiBCJOkxloRksXImNhd1dTGUkP430uCiZJWNMeGN8W2YThPg5vNkw8uCe7iMdap3U4vgeqdxsn2dp6TYNuM9XWxi8roRu9fR.jpg)

![Soundcore Boom Go 3i Portable Bluetooth Speaker, 15W — 4](https://bargainpostbox.co.uk/i/fBgzjsv2e-G35gSUBxTD5opP_NRJB_Ysbk5S_815XJbAf0YMu9x9HFjEgih1aQ7g2-rJ3AXjpdqT7E92Cn75M_zMS8dqmcS1wUaG9NBNyLjJhnCaI56wT1OA.jpg)

![Soundcore Boom Go 3i Portable Bluetooth Speaker, 15W — 5](https://bargainpostbox.co.uk/i/6WINx2Jvw0pKRjTi1nxaEcwNMVaBywfanAzwLnHgtLeI8-wDwbu49ZNf4y_t3PlrU85s5BG3iTzlMBDbcuF14ak5oQofvxVtpjaFrna9BrqGInl2OVyDG81h.jpg)

![Soundcore Boom Go 3i Portable Bluetooth Speaker, 15W — 6](https://bargainpostbox.co.uk/i/y5WPEu-70hLQXt71z2Ix8IfO_iOlXPzy9QJ8Y2KYLit_S9PE8MNvYVVX4-TR2G5Vy6nzHsa95Yth8F81-DX3i0r_jzd_j5Rqb2u5YHlZMR8dOedsSqKHDp7o.jpg)