$21.19-$21.09
2000
● Speaker Unit: Φ9mm
● Magnet:Neodymium
● Sensitivity: 110+/-3dB
● Impedance:32 ohms+/-10%
● Frequency range:20~20KHz
● Active cancellation: 20~25dB
● Headset battery capacity:40mah
● Charging bin capacity: 500mah
● Blue-tooth version: BT8892E V5.0
● operation distance:10m
● Continuous working time:20 hours