1 / 7Soundcore 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.
Reference price: $129.99
Price checked: Nov 14, 2026
View offerAhead of Black FridayExplore the selectionOften 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| Brand | Soundcore |
|---|---|
| Model | soundcore boom 3i |
| Color | Black |
| 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 |
| Wireless connection listed | Bluetooth |
|---|---|
| Control methods listed | App |
| Bluetooth range | 100 meters |
| Compatible devices | Desktop, Laptop, Smartphone, Tablet |
| Power configuration | Battery Powered |
|---|---|
| Battery life listed | 16 hours |
| Battery capacity | 2400 milliamp_hours |
| Battery charge time | 3.2 hours |
| Input voltage | 5 volts |
| Water resistance listed | Waterproof |
|---|---|
| Enclosure material | Plastic Or Metal |
| Mounting type | Tabletop Mount |
|---|---|
| Dimensions | 8.27"D x 3.09"W x 3.35"H |
| Weight | 830 g |
| 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.

Customer reviews on Amazon
- 5 stars
81% 81% - 4 stars
10% 10% - 3 stars
3% 3% - 2 stars
3% 3% - 1 star
3% 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.

Alternative options

Monster S270 Bluetooth Speaker, Mini Portable Speaker with 360° Surround Sound, Bluetooth 6.0, Colorful Lights, TWS Paring, IPX6 Waterproof Wireless Speaker for Hiking, Cycling, and Indoor Activities
$19.99

Monster S360 Portable Bluetooth Speaker, IPX7 Waterproof, Bluetooth 6.0, 20H Playtime, Powerful Stereo Sound, Support TF Card, Clear Hands-Free Calling Speaker for Home, Outdoors and Travel
$29.99

Bone Conduction Speaker Bluetooth Portable Vibration Speaker RMS 7.5W | with Colorf...
$20.99

TRAVOR Rugged Magnetic Bluetooth Speaker for Golf Cart & Outdoor | All-Aluminum Bod...
$89.98

Tribit StormBox Micro 3 Portable Bluetooth Speaker, 13W, IP68 Waterproof | Bike Speaker, BT6.0, 24H Playtime, Magnetic & Strap, XBass, Custom EQ, Wireless, TWS Pairing, Outdoor, Home, Cycling, Black
$49.98

HEAVY BASS Speakers Bluetooth Wireless 60W 20H IPX6 Outdoor Camping Beach | 60W Max Loud Portable Speaker with Bass 20H Playtime, IPX6 Waterproof, Dual Pairing, Perfect for Outdoor Camping Beach Party
$29.32

j5create USB-C Dual 4K Speakerphone Dock Pro, Dual 4K HDMI Audio Dock | for Video Conference, USB-A x 2, USB-C, Gigabit ethernet, Pass-Through Charging - Works with Teams, Zoom (JCDS337)
$159.99

Turtlebox Ranger Bluetooth Speaker Ultra-Portable, Waterproof, Orange | Built for the Outdoors, Plays to 105dB, IP-67, 12hr+ Battery Life, Magnetic Mounts, Unlimited Pairing for Full Stereo, 2.4lbs
$250.00

Bluetooth Speaker 300W Peak with 1 Microphone, Portable Wireless Subwoofer | Large ...
$239.99

Portable Bluetooth Speaker 2 Wireless Rechargeable Mics,Party Speaker | Clear sound...
$69.99

Sarevile Trucker Bluetooth Headset, V5.2 Wireless Headset with Upgraded Microphone AI Noise Canceling, On Ear Bluetooth Headphone with Mute for Driver Office Call Center (Black)
$36.99

TESmart HDMI KVM Switch 2 Monitors 2 Computers 4K@60Hz, USB 3.0, EDID | for 2 PCs Sharing 2 Monitors, Dual-Screen or One Monitor per PC, Audio&Microphone, Hotkey/Button Switch, Input cables
$259.99























