Bluetooth Handsfree Car Kit Bluetooth Mp3 Player Powered By deelife 4 Functions in one device (4 in 1) Phone call handsfree , Music play , FM transmitter , Apps sound Feature Phone Call Handsfree -- Support Answering / Ending / Rejecting phone calls , Redialing the last called number Music Play -- Bluetooth music play & TF card music play -- Play / Pause music , Next / Previous song , Volume +/- -- Knob design for adjust the volume ,convenient and practical FM Transmitter -- Wireless Transmit audio to your car FM receiver -- Transmit Bands range 87.5 -108.0 MHz Phone Apps Sound -- Support Navigation Voice , Online Music , Online Radio etc Built-in Ground Loop Noise Filter -- Can achieve a clear speech / music LED Screen -- Can display frequency , song number , and work status information English Voice -- For Reading Incoming Phone Number -- Voice Announcement Device Status AUX-OUT Cable -- 3.5mm Jack wired audio transmission , More stable Dual USB 5V/2.1A Car Charger -- Can charge your phone at the same time Magnetic Base -- With 3M 300LSE adhesive tape , can install on anywhere you like that is convenient to operate Bluetooth 4.2 , Universal Bluetooth Compatibility -- With all iPhone, Android phone and tablets Parameter Bluetooth Receiver Bluetooth receiving sensitivity : -85dB Bluetooth transport distance : 10 m Degree of distortion : < 0.03% SNR : Music >80 dB & FM transmit >66 dB Bands range of FM transmit : 87.5 -108.0 MHz FM transmit distance : 5 m TF card : Up to 32GB(Just support FAT32 / exFAT Format) Cable length : 1.4 m Bluetooth receiver voltage : 5V Working temperature : -25~55 Bluetooth receiver size : 50mm*26mm Car Charger Car charger input Voltage : 12V-24V Car charger output : 5V/2.1A(10W) , USB port x 2 Package Include: 1 x Bluetooth Receiver 1 x Magnetic Base 1 x Car Charger ( Dual USB Port, 5V/2.1A ) 1 x User 1 x 32G Micro SD Card ( Optional ) 2 x Cable Clip ( Gift ) FAQ Question 1, What is FM transmitter ? Answer, FM transmitter is a very small FM Radio Transmit Station with broadcast range