... stand-by time state, extended press of the “TALK” button for 4 seconds, then start pairing, and the blue LED light ... free car kit can be paired while in stand-by time state.Select “HF120” from the list ... After pairing successfully , the LED indicator will be light ,meanwhile there will a sound like “beep “ ... and dial directly from your cell phone by Bluetooth functionAnd phone talking is also switchable ...