With 7.1 surround sound, you can enjoy pristine sound. Thanks to Bluetooth 5.0, information can be sent from the phone to the headset within a distance of 10 meters. You can adjust the volume, change songs, answer calls, reject calls, end calls, play Bluetooth calls, play calls, Bluetooth calls, voice prompts, battery display, and FM. TF, EQ, LED lights, clear English broadcast. Adjust volume, switch songs, answer calls, reject calls, Bluetooth playback, play calls, Bluetooth connection, voice prompts, battery display, FM. TF, EQ, LED light, clear English transmission The battery charging time of this unique device is relatively small compared to the standby time and full working time of the headphones. Only 2.5 hours. The durable and reliable 400 mAh battery ensures it's ready to go wherever you go, allowing you to enjoy your time with unique sounds. Material: ABS Bluetooth: 5.0 Frequency: 2.40 GHz-2.48 GHz Range: 10m Frequency response: 20Hz-20kHz Battery: 400mAh Charging: 2.5h Charging: USB (AC adapter) Max. Talk time: 8 hours maximum. Music listening time: 6 hours maximum. Standby time: 14 hours Delivery list: 1 x wireless gaming headset. Due to photo lighting issues, the color of the picture may vary slightly.