Fangrui Product Details 1. Onikuma Gt803 Wired Bluetooth 5.4 Dual Modes Gaming Headset 2. Supports Bluetooth Wired Connection Modes 3. Protein Leather Earmuffs, Soft And Breathable, Comfortable To Wear 4. Retractable Metal Memory Headband, Adaptive Head Shape 5. 40mm Large Dynamic Driver Unit, Stereo Surround Sound, Rich Music Enjoyment 6. 400mah Large Capacity Battery, Continuous Listening To Music For Up To 50 Hours 7. Bluetooth 5.4 Technology, With Noise Reduction Chip, Low Power Consumption, Stable Connection 8. Independent Buttons, Can Be Operated With One Hand, Convenient And Fast 9. Product Parameters 10. Driver Diameter: 40mm 11. Chipset: Jl7006 12. Supported Protocols: Avrcp1.6.2, A2dp1.3.2, Hfp1.8, Hsp1.2 13. Audio Decoding: Sbc, Aac 14. Bluetooth Distance: 15 Meters 15. Microphone Sensitivity: -42 +- 3db 16. Sensitivity: 110 +- 3db 17. Impedance: 32 Ohms 18. Frequency Response Range: 20hz-20khz 19. Battery Capacity: 400mah 20. Music Time: About 50 Hours 21. Charging Time: About 2 Hours 22. Charging Interface: Type-c