The ifidelity True Wireless Bluetooth Earbuds are the future of Bluetooth earbuds. As you see, there is no wire connecting the earbuds. Making them true wireless earbuds. The carrying case also doubles as a charging station. Once the case is charged it can be used as a portable charger for your earbuds. The case is capable of charging the earbuds from 0 to 100% two times. With over 6 hours of talk time these earbuds are a must for any traveler. The ergonomic design of the earbuds keep them in place on the go. Bluetooth working range is 10 meters (33 feet).