Sudio Tolv True Wireless Earbuds - Auto Pairing, Compact Charging Case, 35h Play Time, iOS, Android (Anthracite) (Black) [SUDIO TOLV] Tolv offers a rich sound signature with a full range of tones. The graphene driver balances dynamic and transient notes to create a lifelike listening experience that transports you into a musical moment. [PLAY A LITTLE LONGER] With up to 35 hours of battery life using the charging case, 7 hours of listening time on a single earphone charge, and a single 10 minute charge giving you a full hour of use, Sudio Tolv is truly playing the long game. [DRIVEN WITH CARBON NANO-TECH] Sudio Tolv uses a graphene driver to convert signal into sound, for the most immersive listening experience possible. [ANTICIPATING A CONNECTION] Turn on and connect with Sudio Tolv's automatic device pairing. [BUILT-IN MICROPHONE] Tolv has a built-in microphone allows you to take your calls while connected.