- Speaker frequency response:20Hz-20kHz
- Noise ratio: 20Hz-2000Hz
- The signal to noise ratio (SNR): 95dB
- Bluetooth: CSR 4.1
- Plug:3.5mm/Micro USB
- With mic: Yes
- Driver:40mm
- Impedance:32Ω
- Sensitivity:112dB
- Cord length: 1.2m
- Battery: 400mA Li-polymer
- ANC modes: Feedforward & Feedback
- Noise level: Two grades;23dB -27dB
- ANC switch: Touch control
- Wireless effective range: 10m
- Working time: 50h (For ANC), 12h (For ANC + Bluetooth)