1000
$15.79-$15.68
● Speaker Unit: Φ40mm
● Magnet: Neodymium
● Sensitivity: 110+/-3dB
● Impedance: 32 ohms+/-10%
● Frequency range: 20~20KHz
● Active cancellation: 20~25dB
● Power: 3.7V 360mah
● Blue-tooth version: ACT3009 V5.0
● operation distance: 10m
● Continuous working time: 12 hours