Soundcore has released the Boom Go 3i, a portable speaker built for hiking, camping and outdoor activities, according to a review published by tech outlet Trashbox writer Vladimir Logutov on August 3, 2026. The device is compact and lightweight, and includes a silicone strap that lets users attach it to clothing or a backpack.
Specifications
The Boom Go 3i has an output power of 15 watts and up to 24 hours of battery life under certain conditions, the review said. It carries an IP68 rating for dust and water resistance and supports Bluetooth 6.0. The speaker measures 102.11 by 105.92 by 45.47 millimeters and weighs 380 grams. It also includes a silicone strap, RGB lighting, a built-in display and BassUp bass-boost technology.
Body Design
The speaker has a square shape with heavily rounded corners and rubberized flat side panels, which the reviewer said makes it comfortable to hold and unlikely to slip even from a wet hand. The front panel features perforations that conceal RGB lighting arranged in diagonal strips, bright enough to be visible in daylight.
The companion mobile app lets users adjust the lighting brightness and choose from a range of presets, including effects that sync with the beat of music. The back of the speaker has two more perforated panels along with small raised feet that lift the device slightly off flat surfaces.
An LED display sits on the right side of the speaker, showing battery level along with four icons for charging, Eco mode, BassUp mode and Auracast connectivity, according to the review. The reviewer said the screen is small but bright enough to read the battery percentage even in strong sunlight.
To the left of the display is a button that activates Auracast, which can link two speakers for stereo sound or four speakers in a chain for synchronized playback. A nearby Mode button switches equalizer profiles with a single press, changes RGB lighting modes with a double press, and turns the lighting off entirely with a long press to save power. The reviewer said these button assignments can be reprogrammed in the app but called the default setup hard to improve on.
A Bluetooth button for pairing sits to the right of the display, next to a power button for turning the speaker on and off. The reviewer described the buttons as firm and easy to find by feel, which is useful when the speaker is clipped to the side of a backpack.
Three more media buttons sit on the top edge near the strap, controlling play/pause and volume. A double press on the play button skips to the next track, and a triple press goes back to the previous one. The reviewer said these buttons are large enough to use with gloves but would have preferred them positioned on the side rather than the top, since they can be hard to reach.
The Strap
The reviewer highlighted the wide, soft-touch silicone strap attached to the back of the device as its key feature. One end is sewn into the housing, and the other has a small pin that clips into one of two ports on the back panel.
Attaching the strap to the top port creates a loop several centimeters long that can hook onto a backpack strap, clothing, a bag, a suitcase or even a tree branch, the review said. The reviewer said the strap is secure enough that it will not come loose by accident, making it suitable for travel through mountains or forests.
Clipping the strap to the bottom port instead makes the speaker more compact and easier to set flat on a surface. In that position the strap pulls tighter, but a backpack strap or thin cord can still be threaded underneath it to keep the speaker from swinging during activities such as cycling or running, according to the review.
Durability
The speaker carries an IP68 rating, meaning it can withstand dust, dirt, sand and accidental exposure to fresh water, the review said. It noted that the manufacturer makes no claims about salt water resistance, so users should keep that in mind while traveling.
The manufacturer also states the speaker can survive drops onto hard surfaces from up to one meter, a feature the reviewer called useful given the risk of accidental drops during hiking, mountain trips or cycling.
Sound Quality
With 15 watts of output power, the Boom Go 3i is loud enough at 50 to 70 percent of maximum volume for a group of friends to hear clearly from 5 to 10 meters away outdoors, according to the review. At full volume in a forest or by a lake, the reviewer said it could support a small party, though the power output has its limits and the speaker suits travel and campfire listening better than a loud gathering.
The reviewer said bass frequencies are well handled and midrange is decent, while the high end lags slightly behind without presenting any critical problems. While not an audiophile-grade speaker, the reviewer said users are unlikely to be disappointed with sound quality while cycling or setting up camp in the mountains.
The mobile app offers several equalizer presets, though the reviewer said the default preset sounded best compared with the others, along with sliders for custom tuning. The reviewer recommended spending five minutes customizing the equalizer to taste.
The BassUp mode makes bass frequencies more pronounced and deeper, which the reviewer said can noticeably improve certain tracks, though it does little for instrumental music where bass plays a smaller role. The mode also drains the battery faster.
Pressing the power button five times in a row triggers a loud 92-decibel alert audible within a radius of 50 meters or more, according to the review. The reviewer said this could help someone injured or lost during a hike be located quickly by friends or others nearby.
Battery Life and Charging
At 50 percent maximum volume with lighting and BassUp mode turned off, users can expect around 40 hours of playback, the review said, enough for three to four days of use without recharging. That estimate matches the 24-hour battery life figure listed among the speaker's specifications.
With BassUp mode turned on at the same 50 percent volume and lighting off, battery life drops to about 24 hours, according to the review. At full volume with both lighting and BassUp mode active, battery life falls to around six hours, which the reviewer said is still enough for a lakeside gathering. A full charge using a 5V/3A adapter takes four hours.
The speaker also functions as a power bank for charging phones, according to the review. Its 4,800 mAh battery can bring most smartphones to 50 to 60 percent charge, and the reviewer said an iPhone 17 gained 40 percent battery in 60 minutes when charged from the speaker.
Verdict
The reviewer said the Boom Go 3i is aimed at people who like hiking, camping, biking on rough terrain or boating, and that the speaker is built to handle demanding conditions. Sound quality was described as solid for the price, with deep bass and enough power for outdoor volume, though the RGB lighting is optional and can be switched off to preserve battery.
The review listed the pros as power bank functionality, a convenient silicone strap, an intuitive mobile app, protection from moisture, dust and drops, and decent sound quality. The sole con listed was that the RGB lighting noticeably increases battery drain. The reviewer gave the Soundcore Boom Go 3i a final score of 8 out of 10.
