Soundcore Boom 3i Portable Outdoor Bluetooth Speaker

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Product guide

Soundcore Boom 3i Portable Outdoor Bluetooth Speaker

Soundcore Boom 3i is a portable outdoor Bluetooth speaker with a listing claim of 50 watts maximum output and saltwater resistance. Its compact listed dimensions and detachable strap suit beach and travel use, while reported battery experiences are mixed.

At a glance

The listing claims an upright floating design intended to keep playback sound-forward in water.
The listing claims IP68 waterproof and dustproof protection and 5x saltwater resistance. These are manufacturer claims, not independently verified here.
BassUp 2.0 and DSP are described alongside a 50-watt maximum output and bass response down to 56 hertz.
Listed extras include an app, LED light, stereo pairing, voice amplifier, emergency alarm and Buzz Clean.
A detachable strap is claimed, with the product described as compact enough to fit in a bag.

Price

$89.99Save 31%

Reference price: ~~$129.99~~

Price checked: Nov 14, 2026

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Often bought together

Soundcore Boom 2 by Anker, 80W Outdoor Bluetooth Speaker, 24H Playtime | IPX7 Waterproof, BassUp 2.0, Floatable, RGB lights, USB-C, Custom EQ via soundcore App, Portable for Camping and Beach

$84.99

Soundcore Boom 2 Plus Portable Bluetooth Speaker by Anker, 140W, IPX7 | 2+2 Channel Audio, BassUp 2.0, 20H Playtime, Fast Charge, RGB Lights, Power Bank, Bluetooth 6.0, Camping and Beach Use

$169.99

Pros and cons

Pros

Compact listed dimensions and a detachable strap make it a practical candidate for carrying outdoors.
Bluetooth and app control provide a straightforward wireless playback and control setup.
The listed feature set includes waterproofing, dust protection, saltwater resistance and floating playback claims for water-focused outings.

Cons

Battery life may be a trade-off: the listed claim is 16 hours, while customer feedback reports both satisfactory and disappointing runtime experiences.
Enclosure material is listed as “Plastic Or Metal,” so the material composition is not specified more precisely.

Technical specifications

27 specifications

Identity
Brand	Soundcore
Model	soundcore boom 3i
Color	Black

Audio
Maximum output power	50 watts
Frequency response	56 hertz
Audio output mode	Stereo
Audio channels	2
Driver type	Dynamic Driver
Woofer diameter	3.7 inches
Audio encoding	Advanced Audio Coding (AAC)
Listed features	Bass Boost, Dustproof, LED Light, Stereo Pairing, Waterproof

Connectivity and controls
Wireless connection listed	Bluetooth
Control methods listed	App
Bluetooth range	100 meters
Compatible devices	Desktop, Laptop, Smartphone, Tablet

Power and battery
Power configuration	Battery Powered
Battery life listed	16 hours
Battery capacity	2400 milliamp_hours
Battery charge time	3.2 hours
Input voltage	5 volts

Materials and protection
Water resistance listed	Waterproof
Enclosure material	Plastic Or Metal

Dimensions and installation
Mounting type	Tabletop Mount
Dimensions	8.27"D x 3.09"W x 3.35"H
Weight	830 g

Warranty
Warranty type	Limited
Warranty description	18

What to know before buying

Listing details to confirm

Listing details are inconsistent or unconfirmed: the technical fields list a 2400 milliamp_hours battery and 16 hours of average life, while another battery field says “1 C batteries required.” The listing also calls the speaker waterproof and claims IP68 protection, saltwater resistance and floating playback without specifying operating conditions. Check the selected listing for the precise battery setup and protection limits before purchase.

Who is it for?

A good fit for

Outdoor listening near pools, beaches or boats where the claimed water and saltwater resistance is relevant.
Travelers wanting a compact Bluetooth speaker with a carrying strap and app control.
Buyers who want listed extras such as an emergency alarm, voice amplifier and LED light.

Less suited to

Buyers who require a confirmed battery configuration or dependable runtime for a full day away from charging.
Anyone needing a precisely specified enclosure material or independently confirmed water-protection limits.

Soundcore Boom 3i Portable Outdoor Bluetooth Speaker · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.6 / 5 · 1,261 ratings

5 stars81%81%
4 stars10%10%
3 stars3%3%
2 stars3%3%
1 star3%3%

Customer feedback highlights sound quality, compact portability, loud volume, easy connectivity and durability. These impressions fit the speaker’s compact listed dimensions and Bluetooth setup, but are customer perceptions rather than performance guarantees. Battery life is a point of mixed experience, which matters for trips away from charging despite the listing’s 16-hour claim.

Positive themes

Customers praise sound quality and low-end performance, and describe the compact speaker as loud.
Customers appreciate its portability, simple connectivity and perceived durability.

Mixed feedback

Battery life receives mixed feedback, with some finding it good and others saying it falls short of expectations.

Frequently asked questions

Is the Soundcore Boom 3i suitable for use around water?

The listing claims waterproof and dustproof protection, IP68, saltwater resistance and floating playback. Those are listing claims, and it does not specify all operating limits, so check the selected product details for your intended water conditions.

How long does the battery last?

The listed average battery life is 16 hours. Customer feedback is mixed on runtime, and the battery fields also give an inconsistent battery description, so treat the figure as a claim rather than a guaranteed duration.

Can it connect to a phone?

Bluetooth is listed, and smartphones are among the compatible devices. App control is also listed.

What is included in the package?

The supplied package details list a charging cable, detachable strap, quick start guide and warranty card. Confirm the selected listing if package contents are important.