Ultra Comfort Bluetooth Headband with Mic and Headphone

Sleep Eye Mask Wireless Headphone Bluetooth-Compatible 5.0 Cotton Eye Cover Music Headband with Mic Handsfree

• Bluetooth-Compatible version: 5.0
  

• Bluetooth-Compatible transmission distance: 10M
  

• Music playing time: Maximum sound 7h, medium volume 10 hours
  

• Microphone distance: 1m
  

• Bluetooth-Compatible standby time: 72h
  

• Battery capacity: 150mA / h
  

• Battery power: 0.55w
  

• Horn impedance: 32 ohm
  

• Horn power: 0.02w
  

• Frequency range: 2.4-2.4835ghz
  

• Sensitivity: 45dB
  

• Transmitting power: 6dB
  

• Audio output distortion: 0.6%
  

• Audio output SNR: 93dB
  

• Charging time: 1-2 hours
  

• Maximum input voltage: DC 5V
  

• Maximum input current: 150mah
  

• Maximum input power: 0.55w