Bluetooth Receiver/Bluetooth Car Kit, TaoTronics 55 hour and 50ft Bluetooth Stereo Adapter, 3.5mm Aux & RCA Wireless Aud

Easy setup: easily connect most smartphones and Audio devices via RCA and 3.5mm inputs to transform your wired speakers or wired earphones into a wireless sound system
Extended battery life: with up to 55 hours of battery, the 850mAh rechargeable battery will provide you with long-lasting music
Stable connectivity: Bluetooth 4.1 technology features a reliable wireless range of about 50 ft/ 15 M, and connecting is seamless
user-friendly controls: control your music right from the receiver - play/ pause music and control volume
Double the fun: pair two Bluetooth enabled devices such as your smartphone and computer and switch between devices to stream Audio wirelessly