UE Boom 4 Portable Bluetooth Speaker Cobalt Blue dszone 5-inch 1080P ultra-clear wide color

5-inch 1080P ultra-clear wide color gamut AMOLED screen

Record and playback:

with a strong die-cast aluminium body that holds mitre joints securely

The built-in ambient light sensor automatically adjusts brightness for optimal clarity

UE Boom 4 Portable Bluetooth Speaker Cobalt Blue dszone 5-inch 1080P ultra-clear wide colorEnjoy bold portable sound with the Ultimate Ears Boom 4, a durable Bluetooth speaker built for immersive audio, outdoor use and simple everyday control. Cylindrical 360 audio. Delivers full rich sound around the room. Adventure ready design. Tough enough for travel, hikes and poolside use. Speaker linking support. Expand your setup with PartyUp compatibility. One touch controls. Skip, play and launch playlists with ease. Signature sound options.