Fully Wireless Stereo Headset For Music LoversThese wireless earphones are made for those who are on the move! The latest Bluetooth version ensures a convenient and stable connection with your device as well as between left and right earbuds. This technology increases the battery life of the headset: you can enjoy your favorite tracks for up to 4 hours on a single charge. Another distinctive feature of the headset is that it provides high-quality sound, ability to take calls and use voice assistance without touching a smartphone. The charging case indicates the level of charge by light indicators. Three pairs of earcups are included in the box to fit all ear sizes.Features:Bluetooth version Realtek 5.0HD stereo soundProfiles: HFP, HSP, AVRCP, A2DPHandsfree functionAutomatic pairingUp to 36 hours of workTime of recharging the charging case - 4 hoursBattery capacity 40 mAh (earbud), 800 mAh (charging case)Charger: micro-USB, 5V/1A