TaoTronics TT-BR02 Wireless Bluetooth Receiver - Retail Packaging - Black Receive Bluetooth music from smartphones, tablets, or Bluetooth-enabled audio devices to your wired headphones, speakers, home stereo, hi-fi systems, etc. Pure CD-like quality with built-in aptX enhanced wireless audio transmission Latest Bluetooth 4.0 technology, up to 10 meter range, supports pairing two devices at the same time Supports both 3.5mm and RCA stereo connection. Works up to 10 hours with a single charge, can charge while in-use