1. Frequency response range: 20-20kHz 2. Impedance: 16 ohm +/-5% 3. Sensitivity: 100dB+/-3dB 4. Carrying power: 20mW 5. Audio interface: 3.5 mm audio interface 6. Drive unit type/diameter: 50mm 7. Frequency response range: 20-20kHz 8. Impedance: less than or equal to 2.2 ohms 9. Sensitivity: -42dB+/-3dB 10. Cable length: about 2.2m 11. Ergonomic design, soft belt head beam, suitable for players to wear for a long time 12. High-quality leather earmuffs, soft, comfortable, breathable, comfortable to wear 13. 50mm high-fidelity neodymium magnet speaker, high sound sensitivity, competent for various game sound ranges 14. The 3.5mm interface can be directly used for mobile phone calls 15. High-fidelity large dynamic microphone to ensure smooth communication between team operations 16. The braided wire is durable and stretch-resistant, effectively reducing the resistance brought by the outside world 17. Equipped with a chariot-style wire control, which is convenient for the player to control with any hand type, and is more handy in the game