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Sound Channels: 2.0
Full Range Driver: 2″ x 2
Total System Power: RMS 6W
Frequency Response: 90 Hz -20 KHz
Sensitivity: 95dB
Impedance: 4 ohm
Power Supply: USB (5V)
Bluetooth version:v2.1
Working Range:up to 10 m
Working time:3 to 5 hours
Dimension:60*60*50mm
Net weight:230g
Loudspeaker Output:45mm
Loudspeaker output:3w
Frequency response:280HZ-16KHZ
Signal-to-Noise:>95db
Distortion:<0.5%
Battery voltage/capacity:520MAH
Battery charging voltage:5v+/-0.5v
Battery charge time:2 hours