Features: 1.Support Hands Free Calling: Car music player supports hands free calling, the sound of answering calls is issued through the car stereo, please connect the FM transmitter to the car first. 2.3 Charging Port: The car charger adapter is designed with 2 USB ports and a PD to support simultaneous charging of devices, such as cell phones, tablets, cameras. 3.Adjustable: Car radio receiver has a knob or button to control the car stereo, which can be adjusted by the car stereo control keys. 4.Easy to Install: Car charger adapter is compact and easy to install, it doesn't take you much time and save space. 5.ABS Material: Car radio receiver is made of ABS material, wear resistant and durable, not easy to damage, can be used for a long time. specification:Item Type: Car FM Transmitter Material: ABS Weight: Approx. 38g / 1.34oz Size: Approx. 8.5 x 5.5 x 4.2cm / 3.3 x 2.2 x 1.7in Color: Black Bluetooth Reception PackageList:1 x CarFMTransmitter 1 xEnglish Chinese User Manual