Sony MEX-BT2500 Bluetooth Enabled CD/MP3/WMA Receiver Bluetooth wireless connectivity works with compatible cell phones, music players, and more Bluetooth features include hands-free calling, high-quality audio transfer, and control of compatible equipment (no phone book transfer or Caller ID) plays CDs, CD-Rs, and CD-RWs, including discs loaded with MP3, WMA, and ATRAC3plus music files inputs: front auxiliary input