The Tully True Wireless Earbuds and Case are the future of Bluetooth earbuds. As you see there is no wire connecting the earbud, making them truly wireless earbuds. The carrying case is perfect for storing your earbuds and micro usb charging cable. With over 2 hours of playback time these earbuds are a must have for any traveler. The ergonomic design of the earbuds keeps them in place on the go. Bluetooth working range is 10 meters (33 feet). Charging time is 1hr for the earbud.