Real subwoofer bass from a mini speaker: a dedicated passive subwoofer delivers low end you can actually feel from a speaker that fits in one hand. Splash resistant
IPX4 metal shell: it shrugs off spray, sweat and rain, so it rides along from the bathroom counter and shower shelf to the patio, poolside and beach. Built for the desk and the carry-on: under a pound, no dangling cables, and small enough to live in a laptop bag without you noticing it is there.
Pair two for stereo: TWS pairing links a second U Boost into a true left-right stereo set with one button, doubling the room you can fill.
Hands-free calling and selfie remote: a built-in mic takes calls without reaching for your phone, and the top button fires your camera shutter from across the room