Experience premium sound quality and wireless charging convenience with the Arrow Electronics Harmony Wireless Earbuds and Charging Pad. These duo wireless earbuds charge in a compact case and come with a wireless charging pad, making them perfect for on-the-go use. The earbuds feature a rechargeable lithium polymer battery in each bud with a capacity of 35 mAh and an input of 5V/60 mA. The wireless V 41 technology ensures a transmit range of 10m (30 ft), providing a seamless connection with your device. The charging case battery is rechargeable with a capacity of 300 mAh and an input of 5V/250 mA (Micro USB), 4W (Wireless). The wireless charging pad has an input of 5V/1.5A and a wireless output of 5V/0.8A, 5W, with a conversion efficiency of over 63%.