Full Duplex Sound
  Built in microphone
  LED Indication
  BT version  4.1
  Transmit power Class 2
  Chipset Ab1513
  SBC decoder support A2DP, AVRCP, HSP, HFP
  RF frequency range 2.4GHz, 2.4G ISM band
  BT receiving distance 10 meters (no obstruction)
  Battery type Li-Polymer
  Battery capacity 70mA/h
  Normal charging time Max. 2hours
  Audio playback time Up to 3 hours
  Talk time Up to 3.5 hours
  Standby time Up to 90 hours
  Dimensions 53 x 15.4 x 25 mm
  Weight 8g
Manuals & Documentation