AH28 3.5mm Stereo Sound Wired Gaming HeadsetAH28 3.5mm Stereo Sound Wired Gaming Headset 1. Speaker diameter: 40mm 2. Frequency range: 20Hz-20KHZ 3. Impedance: 16 ohm 4. Endurance power: 20mW 5. Microphone sensitivity: -39+/-3dB 6. Microphone frequency range: 50-10KHz 7. Headphone cable length: about 2.0m 8. Headphone jack: 3.5mm 4Pin 9. Plug and play, no driver required 10. Soft and comfortable headband and earmuffs, no pressure and no heat. Even if you wear it for a , it can ensure your extreme comfort 11. The adjustable headband can fit different sizes of heads, suitable for men, women, teenagers and other people 12. Provide high-end noise canclation function, allowing you to clearly chat with other players. If you want to enjoy my precious time without communicating with other players, you can turn off the microphone by flipping the switch 13. The 50mm large drive unit pays more attention to sound performance, creating a shocking stereo sound effect, making you fe like you are in the game scene 14. This headset has a powerful, clear and deep b sound effect, which is a great choice for games, movies and music 15. Size: 22.5x22x10cm 16. Net weight: 306 grams