JVC Gumy Mini True Wireless EarbudsSmall Size, Big Value. JVC Gumy Mini True Wireless EarbudsSmall Size, Big Value. total 23-hour long battery life (Incl. charging with the case). Single ear use (Left side only) and stable wireless connection (BT 5.1). Bluetooth hands-free mic with voice assistant compatible with one button control.Compact and lightweight Gumy mini True WirelessTouch sensor operation and auto On/Off and ConnectHigh quality sound with neodymium magnet driver3 sound modes (Normal/Bass /Clear)Stable wireless connection (Bluetooth 5.1)Rain proof (IPX4)Single ear use (either left and right ears)A microphone for teleworking and hands-free callingVoice-assistant compatible