True Wireless Stereo Earbuds TWS (true wireless stereo) technology allows you to be free from constraints Qualcomm Bluetooth V5.0 ensures low power with high transfer and stable connection Each earbud functions independently and can be programmed for music and calls according to your needs Ergonomically designed for comfort and a secure fit 8mm magnetic driver unit for perfect performance and dynamic range 3hours music playback time, and an extra 9hrs charge from docking case