Bluetooth 5.2 & High Quality TechnologyThe FIIL True Wireless Earbuds use the most advanced Bluetooth 5.2 technology for a more stable earbud connection. In just 1 second, FIIL wireless earbuds can easily pair and connect and transmit smoothly at high speeds without interruption. Fast charging & 32 hours of music playbackLong lasting power, the charging case is fully charged and can be used for 32 hours of music playback. With Type-C charging, the FIIL noise-cancelling earbuds provide up to 2 hours of playback in just 10 minutes of charging.The FIIL TWS True Wireless Earbuds' charging case keeps you and your earbuds on the go.FIIL+ APP & 15 types of EQFIIL TWS True Wireless Earbuds support the FIIL+ APP for more features and experience15 EQ sound modes, display battery level, reset sync. Adjust the sensitivity of the touch controls. Ability to customise your own EQ sound modes.