Item Type: Car Bluetooth FM TransmitterMaterial: ABSModel: B8Color: Rose GoldFunctions: Bluetooth Adaptor, FM TransmitterApplication: Cars1: Bluetooth Hands Free Call2: Echo cancellation and noise processing during the call3: Stereo Bluetooth and FM Emission Technology4: Support USB, Memory Card (not included), Bluetooth Function5: Support MP3 Format Music6: Automatic Power off Memory Function7: Cigarette Lighter Power: DC12V-24V Voltage Power Supply8: Bluetooth Version 5.0 FM Transmitting Frequency: 87.5 ~108Mhz9. Voltage DetectionScope of Applications: Compatible for IOS Tablets, for iPhone, for Samsung, for Google, for LG, for HTC and Bluetooth devicesPackage List1 x Adapter1More compatibility: wireless bluetooth FM transmitter adapter for car radio, transfer call, MP3 music, mobile phone voice to car speaker. Compatible for iphone for IOS Tablets for Samsung etc. 2Handsfree function: builtin microphone, automatically switch from music playing state to handsfree mode when answering a call. Answer, reject, raise your hand, recall. 3Car battery voltage function: 3 seconds voltage display when inserted into the car socket. Keep the battery healthy at all times. Then it goes to autoplay mode. 4Music player: Support Bluetooth, U disk, memory card, MP3, WMA player. With antiinterference performance and CVC technology. Automatically connect the memory pair after startup. 5Providing with high fidelity stereo transmission and noise reduction technology given by its premium Bluetooth chip, this auto audio adapter can entertain yourself with immersive music experience.