1. Impedance: 32 ohms
2. Sensitivity: 101db
3. Net weight: 200g
4. Purpose: computer headset, HIFI headset, monitor headset
5. Rated power: 30mw
6. Plug type: in-line type
7. With or without microphone: Yes
8. Sounding principle: moving coil
9. Maximum power: 100mw
10. Plug diameter: 3.5mm
11. How to use: head-mounted
12. Frequency response: 10Hz-25KHz
13. Drive unit: 50mm
14. Headphone output source: PC computer
15. Packing list: HD 200 professional headphones x 1 pair, three packs of certificates x 1, 3.5mm to 6.3mm gold-plated connector x 1, product poster x 1, manual x 1, packaging box x 1