Main Features

Uses: wireless headphones, voice headsets.
  Bluetooth version: V5.0.
  Bluetooth mode support: A2DP 1.2, AVRCP 1.0, HSP, HSF 1.5.
  Frequency: 2.402-2.480GHZ, 2.4G ISM band.
  RF performance: receiver sensitivity: -84dBm; transmit power up to 4dBm.
  Frequency response: 20 Hz-20 KHz.
  Signal to noise ratio (SNR): 70Db.
  Total harmonic distortion rate (THD) 0.1%.
  Power indicator: Red and blue indicators flash alternately.
  Headphone charging: rechargeable 650MAH lithium battery.
  Charging port: USB charging interface.
  Normal charging time: 2-3 hours.
  Talk time: up to 24 hours.
  Standby time: up to 15 days.
  Working temperature: -20 �� C -55 �� C.
  Other features: support status indicator, charging indicator display.