Type: Headset
Speaker Diameter: 40mm;
Sensitivity: 108dB with tolerance of 3dB;
Frequency Response: 15Hz-20, 000Hz;
Impedance: 32ohm;
Rated Power: 20mW;
Power Cability: 200mW;
Cable Length: 2.3Mwith tolerance of 0.15M;
Plug Type: Stereo 3.5mm

Notes:
1) High quality handband pad and comfortable ear cushions make these headphones best suited for extended usage;
2) The headphone utilizes high grade coiled Oxygen-free for speedy transfer with minimal loss;
3) With the adjustable Mic unit manufactured in dust-free workshop and the the use of noise-proof spiral shield wire, the handphone significantly isolates background environment noise, making smooth and clear communication possible at any time and any place;
4) Head pad, ear pad adopts advanced porosity genuine leather;
5) Adopt 40mm Neodymium magnet driver unit, which can have a perfect performance from undertone to alt;
6) All raw materials including working process complies with EU ROHS directive. And we can provide relative test report issued by authority, which ensure a safe secure use.