BT Version: V4.2
Frequency Response: 100Hz-20KHz
4Battery voltage: 400mAH
Playing time: Up to 180Min
Charging time: UP to 120Min
Colours: Black,Red, Blue, Green
Signal-to-Noise: Up to 15 meters
Battery Voltage: 84 db orhigher
Sensitivty: 85db+2db
Output power: 2*3W
Distortion rate of 116 of less