Receiver - SODIAL(R) Wireless Bluetooth Audio Music Receiver and Adapter (LED indicator) for iPod iPhone iPad and Other 30-pin Speaker Dock New Design , with LED indicator, easy to use by connecting directly 30 pin dock to change the common sound-box to Bluetooth sound-box such as Bose Sound dock / Beat box / Phillips / JBL and other dock stations, not compatible with 1st generation Bose Sound Docks and car speakers. Long distance to play your favorite songs in your device through a Bluetooth connection. Support digital products using Bluetooth, such as iPad, iPod touch, iPhone, Bluetooth cell phone, Bluetooth PC, PSP. Complies with Bluetooth 2.0, Plug and Play. Support A2DP V1.2, compatible with all devices enabled with A2DP stereo Bluetooth. Transmission distance: not less than 10 meters (33 feet).