General Specifications Output power 20W Transducer 3 x 40mm Frequency response 65Hz – 20kHz Signal-to-noise ratio ≥80dB Speaker Specifications Music playing time up to 12 hours (varies by volume level and audio content) Dimensions Dimensions (H x W x D) 223mm x 92mm x 92mm Battery Battery type Lithium-ion polymer (3.7V, 6000mAh Battery charge time 4.5 hour @ 5V 2.3A