High quality speaker diaphragm
  TEP tensile, tangle free cable
  Mic and volume control
  Micro USB charging slot
  BT version 4.2
  BT profile support A2DP, AVRCP, HSP, HFP
  BT paring name ZEB-BE380T
  Operating range 10m (without interference)
  Charging voltage DC 5V
  Working voltage DC 3.7V
  Battery capacity 140mAH
  frequency 20Hz-20KHz
  Impedance 32 Ohm
  Sensitivity 102 ± 3dB/mV
  Speaker size 10mm
  Material type plastic
  Talk time 6-8 hours
  Playback time 4-6 hours
  Standby duration 10 hours
  Microphone type Omnidirectional
  Microphone sensitivity -38±3dB
  Net.weight 20g