Universal digital radio transmitter for mobile phone/MP3 player/iPod/etc. Wireless transmission from the MP3 player to the HiFi system. Stand universally suitable for all MP3 players. Transmission frequency: 2.4 GHzChannels: 8 channels with auto tuningRange: 30 mSignal-to-noise ratio: 70 dBTotal harmonic distortion: 0.5%Complete set with Allen required adapters and 2x power supplies (without MP3 player).
eBay