I-Wave Bluetooth 2.0 Music Audio Receiver for iPod/iPhone (30 Pin)(A2DP) 
-Turn your favorite speakers into a wireless sound system! 
-This wireless speaker adapter for Apple dock speakers uses Bluetooth wireless to stream music or other audio from your smartphone, laptop or tablet etc. 
-It directly plugged into the Apple speaker or on Apple base 30PIN slot. 
-It does not require any cables and batteries. 
Features: 
-Compatible with all A2DP stereo Bluetooth enabled devices, such as iPhone, iPod, iPad, smartphone, mobile phone, Bluetooth PC and Bluetooth devices 
-Plug and play, very easy to use 
-Stream stereo audio instantly from any Bluetooth smartphone or tablet. Your mobile device stays mobile, and you have the freedom to move around with it. 
-Listen to music or other audio from your smartphone or tablet on your favorite speakers with much better sound quality than you can get from built-in speakers. 
-Wireless adapter connects directly to the Apple dock speaker with LED indicator 
Instructions 
-Place adapter on your powered dock audio player. 
-Turn on Bluetooth on your device (iPhone, iPad etc). 
-I-WAVE will come up as a discoverable device. 
-Click on I-WAVE to pair. 
-Enter PIN code 0000 
-Start playing your music!