Overview: 1. Headphone battery 30 mAh 2. Charging compartment 200 mA 3. Transmission distance 10 meters 4. Music play for 3 hours 5. Talk time 4 hours 6. Standby time 120 hours 7. Charging time 60 minutes 8. Charging interface: type-c interface 9. Gaming headset touch 10. Can full charge earphones around 2 times Specification Product name: Gaming headset Transmission range: 10 meters Function: battery display, call function, voice control, music support, multi-point connection Bluetooth protocol: 5.0 Channel: Stereo How to use: earplug type Whether single or double ears: bilateral stereo Color: X15 black, X15S black Bluetooth Version: Bluetooth5.0 Impedance: 320 Lifetime: about 5~6h Standby time: about 180h Speaker size: 12mm Frequency response: 20Hz-20KHz Package Content : 2* Bluetooth Earphones 1* Charging Case 1* USB Cable 1* User Manual