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. Colours: Black. Sizes: Case: 88mm(w) x 50mm(h) x 50mm(d). Brand Name: iFidelity. Features: 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).