This document is an instruction manual for Smart Bluetooth Phone/Stereo Headset, which introduces the operation methods of the product and the use of various functions. It can be used for power on/off, setting up Bluetooth devices, accessing phonebook, viewing call records, playing music, using the radio function, etc. It also provides Bluetooth pairing, reconnection, and pairing password modification. In addition, it offers the function to view device information and make phone calls.