iTRANSMITTER : iAdapter aptX Transmitter 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 Transmitter supports Bluetooth Stereo (A2DP and AVRCP) Transmit functions in one single tiny unit. Audio input to iAdapter Transmitter via universal 3.5mm audio jack. Transmits in high fidelity aptX when the corresponding Receiver supports aptX. Transmits 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. 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). Objects in between transmitter and receiver may reduce operating distance. Includes: 1) iAdapter aptX TRANSMITTER 2) USB charging cable 3) User guide (English, Español, Français, Deutsch, Japanese, Italiano, Chinese) 4) Retail package