Vocalism Principle : Electrostatic Volume Control : Yes Control Button : Yes Codecs : None Private Mold : Yes Battery Indicator : LED Brand Name : Konfulon Model Number : GT-01 Style : In-ear Communication : Wireless Use : Portable Media Player, Mobile Phone, COMPUTER, Gaming, Sports, Travel, HiFi Headphone Function : Microphone, true wireless stereo Waterproof Standard : IPX-3 Wireless delay time : above 60 ms Type : TWS gaming Earphones Compatible : Mobile Phones Color : Black / White Wireless Version : V5.0 Charging time : 1 hours