1. Compatibility with computers and portable USB devices.

2. The large, skin-friendly ear cups are breathable and comfortable for long-term use.

3. Thickening with quality copper, faster transmission, plus additional protective layer, easy to clean.

4. Speaker size: 50mm

5. Resistance: 15 Ohm

6. Sensitivity: 102+/-2db

7. Frequency: 20Hz-20KHz

8. Microphone sensitivity: -38+/-3dB

9. Microphone resistance: 2.2k Ohm

10. Direction: omnidirectional

11. Cable length: 2m

12. LED voltage: DC 5V

13. Working current: 180mA

14. Headphone connector: USB+3.5mm