Samson BT30, Transforms Apple 30-pin dock audio players into Bluetooth-compatible receivers, Perfect for use with select Samson Expedition Series Portable PAs (XP40i, XP40iw, XP308i, XP510i), Utilizes Bluetooth 3.0 technology, Provides 30-foot range for wirelessly streaming music, Easy setup via Bluetooth Pair button, Saves settings to your music source for easy pairing, Powered by audio device dock, no additional adapters or charging needed