OKCS Bluetooth Audio Adapter Receiver Music adapter for 30-pole Sounddock Dock Docking Station for iPhone, iPod, etc. in Black With the Bluetooth Music Receiver you can use your SoundDock with "old" 30-pole connection continues. Plug & Play - Insert the music adapter to connect to the SoundDock and connect it via Bluetooth with your iPhone easily. Also compatible with other Bluetooth enabled devices such as iPod, MP3 player, Android phone, etc. Range is approximately 10 meters! Gust quality at a fair price - OKCS!