Bluetooth standard: V5.2 Carrier Frequency: 2.402GHz-2.485GHz Frequency range: 2.0Hz-20KHz Transmission range: 8-10 meters Charging interface: Type-c Charging time: ≦3hours Use time: 15 hours Standby time: 300 hours Specifications: 1.Gaming Earphone with Mic : Specially designed for games. It is noise canceling and wireless. And it is with HIFI sound effect. Makes it smooth for you when you are playing the games. 2.Well Designed : After fully charged, the wireless earphones can be used continually for about 4-6 hours. Meets your need for use it. And it is with very smart touch control. 3.Gaming Earphone for You : Inserted with a chip with powerful performance, this wireless earphone can work without any sound delay. Very useful function for you when you are playing games. You will not miss the excitement of every game. 4.Wonderful Function : Providing excellent sound quality and adopting 3D stereo sound effect, this wireless earphone is an unmissable gear for anyone who loves to play games. 5.Useful Headphone : With high performance noise canceling function, this wireless earphone will be able to make the sound much more clear. You deserve to have it. Package Included: 1*headphone 1*charing cable