Dual Charging : The Airpods 2 can be charged with a wire that comes with this pack or can be charged wireless. Bluetooth 5.0: Featuring the 5.0 bluetooth the earphone pairing speed and data transfer have a qualiitative leap, allowing you to listen to top notch music with out missing any musical notes. Portable: The lightweight and comfortable deisgn makes it your travel companion. High Battery Life: The airpods 2 once charged can be used for 12 hours. The earbuds are charged within one hour.