NanoPods are truly wireless which means you don't have to worry about being tied down by wires while on the go. Enjoy the freedom to listen to music, manage calls and more with a 50 ft Bluetooth® wireless range. Perfectly sized to fit in your pocket, purse, clutch or backpack. With an IPX5 water-resistant rating, these earbuds can outlast the elements. Automatic power on and automatic pairing make them super easy to use. The NanoPods have a 4-hour battery life with an additional four charges within the portable charging case.