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Operation Instructions: This product is a Bluetooth MP3 players for Car，whiCh device with highһperformance professional Bluetooth soc，MP3 decoder chip，not only songs inside the phone launch to the car system，you can also play USB Flash Disk inside music.You can also put the device as a Car phone System，you experience the driving fun but also can make free Calls With friends.This device is the use of wireless transmission technology to transmit audio to the car stereo system.You do not need to modify your car，without complicated operation can allow you to make driving safe way to enioy music and calls.Truly a safe entertainment correct.Features: Brand new and high quality. Built-in high quality microphone，Bluetooth speakerphone，safe and convenient. Call noise processing cvc，Wind noise reduction，full duplex technology. Support for bluetooth A2DP feature，you can play high quality music directly after the phone connected to the bluetooth Turned on，automatically put into pairing status，automatic back even. Support an external TF to play mp3/WMA/WAV format music Support AUX output，high quality audio enloyment. comes with 5v/1A car charger，bluetooth music and enjoy the fun without compromising give love machine charging.Operation Instructions: 1.Device power on (1)Device turns on and into pairing state automatic when plus its integrated car charger into the car cigarette lighter power seat (2)This device supports 206 transmission frequency 87.SMHZһ108.OMHZ，can achieve emission frequency adjustment by turning the multiһfunction button，first transmit frequency separated by 0.1 MHZ. (3)Turn on car FM stereo and select the frequency same as that of the device. 2.Connection to Bluetooth Devices (1)The pairing function will be activated automantically when the device is power on.The led will fast blinking.then open your phone settingһBluetooth search device name:"BOLSһB9"Connect it. (2)This device has an automatic return function，after the first Successful pairing，subsequent reһuse of the device is turned onautomatically connect the phone，without the need to manuallypairingPackage Included: 1 x Car Blueteeth FM TransmiterNO Retail Box. Packed Safely in Bubble Bag.