Waterproof outdoor bicycle Bottle wireless speaker, Super deep bass, Rated power 3 W, 360° surround stereo sound, Built-in rechargeable battery 400 mAh, charging by USB, support TF card playing, voice prompt function, IPX4 waterproof level, bottle material:PCTG(Food level material), main material:ABS. Packing : 1x USB charging cable,1 user manual, 1x wireless speaker.
