iAdapter aptX Transceiver (TRANSMITTER + RECEIVER) was developed based on our experiences with the i10s/i10 products, and numerous interesting discussions with and feedback from users of i10s/i10/A9/A10/A10m products. iAdapter aptX Transceiver supports BOTH Bluetooth Stereo (A2DP and AVRCP) Transmit AND Receive Functions in one single tiny unit. Transmit or Receive function can be selected from a button on the unit. - Audio input to iAdapter via universal 3.5mm audio jack - Audio output from iAdapter via universal 3.5mm audio jack Transmits/Receives in high fidelity aptX when the corresponding Receiver/Transmitter supports aptX. Transmits/Receives in standard Bluetooth SBC when corresponding device does not support aptX. Remote control AVRCP implements Next Track, Previous Track, Play/Pause functions. - Transmitter AVRCP works with iPods/iPhones/iPads that support remote control commands through the 3.5mm audio socket, and most smartphones/devices that support remote control commands through the 3.5mm audio socket. - Receiver AVRCP works with Transmitting devices that implement AVRCP commands. Operational while charging for continuous play. iAdapter can be placed in power on/off mode to turn on/off with the power to your Home Theatre system and re-connect to last paired device. Operating distance up to 10m (33ft). Includes: 1) iAdapter aptX TRANSCEIVER 2) USB charging cable 3) User guide 4) Retail package