Dimensions: 100*70*70 mm Speaker driver: 40mm, 4ohm Speaker output: 3w Maximum volume: 90db Passive subwoofer dimension: 40 mm(diameter) Frequency response: 100hz-20khz Signal-to-noise ratio: y80db Distortion: ¨¹5% Battery life: up to 6 hours of talk or playback time Battery charging voltage: 5v(1a) Working voltage: 3.3 -- 5v Battery charging time: 4-5 hours Battery capacity: 600mah Os517 wireless bluetooth speaker for outdoor and indoor Charging cable User guide Suction cup