True Wireless Bluetooth connectivity, hassle free with no wires or cords. Travel case doubles as a charging case. Integrated microphone with answer and end call button enables a smooth transition between audio playback and telephone use. Integrated Play, pause, track control. Includes interchangeable ear bud covers. Built-in lithium battery can be charged with the included micro USB cable. Charging time: 1 hour. Playback time: 3-4 hours. Gift box included