3.5 mm gold-plated stereo plug
Bluetooth V5.0
Wireless transmission range: > 10 meteres
Working voltage: 3.7V
Max input power: 500mW
Max output power: 90mW
Noise cancelling mode: Reaction-feedback noise reduction
Noise cancelling depth: 20 dB
Noise cancelling frequency range: 50-1200 Hz
Signal-Noise Radio (SNR): ? 90 dB
Battery type: Polymer rechargeable Battery
Battery: capacity: 370 mAh
Battery working time: 90h (ANC), 25h (Bluetooth), 20h (Bluetooth and ANC)
Battery charging time: 2h
Speaker diameter: ? 40 mm
Speaker impedance: 32 ?
Speaker frequency range: 18-20 kHz
Sensitive: 115 dB
Wire: 1.2 shielded cable
Weight: 200 g