Updated touch control technology, easier to manage your earbuds. Control your music, calls and voice assistant simply through intuitive touchpad technology built into both earbuds. Twin Stereo/Mono Mode: You could use these 2 earphones together or you could use only left or right earphone. Each earbud can connect to the device independently. Up to 6 hours listening time and the charging case provides additional full charging (3 extra times) to keep the earbuds ready. Sleek, soft, and comfortable silicone ear hooks