BT 5.3 technology guarantees high data transfer speed, stable connection, and low power consumption.<br />LED battery digital display screen clearly shows the battery allowance of the charging box and earbuds.<br />Touch control design, no more pressure on your ears. Easy to control music and calls, and activate voice assistant (Only for iOS).<br />A 300mAh charging case can charge and store the earbuds. 40mAh battery in each earbud offers about 6 hours of music time. ">