Feature：
1. The headset design is made of light and high-rigid material
2. Ergonomic design and enclosed listening structure
3. Pure PP head band makes 360-degree bending available and provides perfect tenacity
4. High-performance magnetic circuit for 40 MM unit is balanced and smooth in each frequency range;
5. Integrated microphone adopts background noise cancellation technology to provide a more clear voice
6. Earmuff, which is soft and breathable, is comfortable to wear
Speaker Dimension: Ф40mm
Impedance: 32Ω
Sensitivity: 105dB S.P.L.at 1KHz
Frequency Response:20Hz-20,000Hz
Rated Power:15mW  
Power Capability:150mW 
Cable Length: 2.4±0.15M
Plug Type: Ф3.5 Stereo
MICROPHONE SECTION
Microphone Unit: Ф6*5mm
Microphonet Directivity: Omnidirectional
Sensitivity: -58±3dB
Impedance: 2.2kohm
Frequency Response: 30Hz-16,000Hz
Standard Operating voltage: 3V