Use mini USB to charge your Phone Clip. You may also charge it from your laptop USB port. Solid red LED light means Phone Clip is charging. Solid green LED light means Phone Clip is fully charged. To switch Phone Clip on, press and hold function button for 1 second. LED light-- solid blue for 4 seconds, Phone Clip is on. To check the Phone Clip's status during usage, press the function button. If Phone Clip is on, the LED will blink blue light. To switch Phone Clip off, press and hold function button for 3 seconds. LED flashes quickly four times and then goes dark. To check the Phone Clip status, press function button. If Phone Clip is off, LED will stay dark. Phone Clip must be off. Press and hold function button for 7 seconds. Phone Clip will turn on and LED will light solid blue for 2 minutes. Now Phone Clip is in Bluetooth pairing mode. Access the Bluetooth menu on your phone and search for devices. Each mobile phone may require a different pairing procedure. Phone Clip will be recognized as hearing aid phone. You may pair Phone Clip with max eight Bluetooth devices, but only one can be connected at a time. After you pair Phone Clip with your phone, it will become your hearing aid headset. Put a fresh battery in each hearing aid. Do not switch them on yet. Phone Clip must be switched on for pairing. Take the silver cover off the Phone Clip. Pairing button is located on the backside of the Phone Clip. Press small red pairing button. LED will light solid blue for 20 seconds. Now Phone Clip is in pairing mode with hearing aids. Put the silver cover back on the Phone Clip. Note that the cover fits only in one position due to USB port shape. Close the battery door to switch hearing aid on. Hearing aid will play melody when successfully paired. You can pair max two hearing aids to the Phone Clip. Phone Clip will indicate incoming call with LED flashes blue twice every 2 seconds. Your hearing aids will play your phone's ringtone. To answer the call, press function button. During the call, Phone Clip will indicate activity with LED flashes blue twice every 2 seconds. To increase volume, press plus. To decrease volume, press minus. To end call, press function button. Flashing red LED light once every 5 seconds means low battery, please recharge.