UE Boom 4 Portable Bluetooth Speaker Active Black W3KG 4mm line suits your trimmer

4mm line suits your trimmer head before loading

Chisel tip for versatile line widths

grease and grime without leaving streaks

Versatile: Ideal for freezing water

UE Boom 4 Portable Bluetooth Speaker Active Black W3KG 4mm line suits your trimmerEnjoy 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.