Lose the wire but keep the sound quality of your favorite earbuds. The Sonic Bluetooth earbuds connect wirelessly to any compatible device up to 33 feet. The ergonomic earbud design keeps them secure during all occasions. Plus they feature a built in control function and microphone which allows you to take calls and control the music without touching the connected device. Enjoy up to 4.5hrs of music at max volume on a single charge. It takes 1.5hrs to charge the earbuds from 0 to 100% Includes Micro USB Charging Cable, EVA zippered carrying case, and 2 extra silicone tips, small and large. 21" cable length.