Truly Wireless, Ergonomic Design & HiFi Stereo: Cut the cord and enjoy complete freedom with Bluetooth 5.0 connectivity. Earbuds adpots latest Bluetooth 5.0 technology to ensure the most stable connectivity, fast transmission without signal loss or music dropouts. You can enjoy your favorite album when doing the housework with the mobile just left on the sofa. With HD built-in Mic, it is perfect take phone calls on the go and make use of Siri and Google Assistant. Auto-On & Connect: Truly wireless earbud's automatic system gives you a hassle-free experience when pairing and connecting to your device, just take the earbuds out of the charging case, the light on the left earbuds flashes.