Features:1.Built-in Microphone that supports hands-free calling, safe and convenient for safe driving2.Noise and wind suppressed by CVC technology to create full duplex sound quality3.Memory function: It will automatically connect to its memorized paired Bluetooth devices when power on4.With 3.5mm audio port, it supports AUX inputoutput5.With 5V2.1A USB charging ports, gives you fast and effective charging experienceSpecification:This product is a well-designed portable multi-media car FM transmitter, It offers you a chance to indulge yourself in music when you are driving a car, and provides perfect sound service to your computers, digital media players, mobile phones and other audio-visual products.Features:Built-in Microphone that supports hands-free calling, safe and convenient for safe driving.Noise and wind suppressed by CVC technology to create full duplex sound quality.Memory function: It will automatically connect to its memorized paired Bluetooth devices when power on.With 3.5mm audio port, it supports AUX inputoutput.With 5V2.1A USB charging ports, gives you fast and effective charging experience.Easy Installation, plug and play.Great Bluetooth transmission range.Specifications:Bluetooth Version: V3.0 + EDREffective Bluetooth Range: 5 meters,the actual transmission distance can reach 10 metersFM Frequency: 87.5MHz - 108.0MHZWorking Voltage: 10V-24VAudio InputOutput: 3.5mm Audio InterfaceUSB Charging Ports: 5V2.1APackage Weight: approx. 90gPackage Included:1 x FM Transmitter1 x Audio CablePackageList: