Working distance: ± 10m ● Battery: 3.7V 400mAh ● Normal playing time: 1 hour ● Frequency response: 120Hz - 20KHz  ● Charging: 5V/500mAh ● USB charging cable included. 

Speaker ● USB charging cable ● output: 2W ● input: Lithium battery (3.7V200MA) ● frequency: 180Hz - 20KHz ● sensitivity: 85D ● recharge Voltage USB: 5V ●  connector 3.5mm audio cable ● no range distance.

Speaker ● batteries not included.