Wireless
  Individual on/off switch
  Audio input
  Output power (RMS) 3W
  Frequency response 20-20KHz
  Drive size 5.2cm
  Impedance 4 Ohm
  Audio source induction type, aux input
  Battery capacity & type 1000mAh & Li-ion battery
  Charging time via PC/laptop 4-5 hours
  Playback time via induction mode 6-8 hours
  Playback time via aux mode 6-8 hours
  Standby time 9-10 hours
  Input power DC 5V
  Product dimension 127 x 90 x 83mm (WxDxH)
  Net. weight 330g