Product technical parameters: continuous play time: 5-6 hours
Battery capacity: 750mA
Speaker output power: 3W
Signal to noise ratio: 80dB
Sensitivity: (induced voltage) 40mv
Channel: mono
Input power: DC 5V/500mA
Power plug specifications: MICRO USB
Distortion: <3%
Maximum volume: 93db 3%
Product specifications: 127*90*83 (mm)