Product name: Lenovo Bluetooth gaming headsetColour: BlackBluetooth version: V5.0Transmission distance: 10 metersFrequency response range: 20Hz-20KHzLife time: about 3 hoursBattery capacity: 40aAh (headphone), 300mAh (charging compartment)Charging interface: Type-cFunction: listening to music, game radio, voice callThis product is a professional gaming headset, divided into game mode and audio-visual mode to meet different needs. The audio channel is fully expanded, the transmission is stable and the sound quality is as low as 65MS, and there is almost no delay in playing games. Listening to position is as accurate as radar. It adopts 7.1 channel, resonates at the same frequency with the bass of the earphone, and the vibration is even.In the video and audio mode, AAC audio decoding is automatically enabled to obtain cinema Dolby sound effects. When voice calls, intelligently recognize and help you eliminate noise. The battery lasts for a long time, the continuous use time can reach 6 hours, the standby time of the product can reach 180 hours, and the battery life of the charging compartment is 4-5 times. This product is equipped with a brand-new Hall switch, which can be turned on after opening the cover, and is intelligently compatible with various types of mobile phones.Control instructions:Short touch L2 times to decrease the volumeShort touch R2 times to increase the volumeShort touch L to answer the call/play musicShort touch R once to hang up the call/pause the musicShort touch L or R 4 times to switch the game mode