High Quality 3.0 In-Car Wireless Bluetooth FM TransmitterThis product is a car-specific car bluetooth player, built-in advanced bluetooth and MIC, the ability to wirelessly transmit music files from your phone to your car stereo, can easily make your music enjoy while driving. More important, the purity and clarity of the special sound of DSP technology. We hope to bring you unlimited enjoyment of the music.Feature:Wirelessly transmit phone call from mobile phone to car FM stereo system.Switch to hands-free mode automatically from music playing status when receive call.Built-in Microphone.Support play the music stored in the mobile phoneDetect and display the voltage of car battery when power on. With Voice prompts.Supports dail the phone, answer the phone,regect the call, last call redial and private answerFunction:Hands-Free Function, Built-in microphone with noise-suppressing technology offers you crystal clear hands-free calls.Support stereo FM Transmitter, let you enjoy music playing when drivingSupport USB charge, two fast charge ports QC3.0&PD3.0Voltage detection,Super compact and portable design with LED digital screen displaySiri Google Voice assistantSpecifications:FM: 87.5 MHZ - 108.0 MHZ FMOrange USB interface: QC3.0(MAX 18W)Type-C interface: PD3.0(MAX 18W)Rated working voltage: 12V-24VLimit working voltage:10~26Vbluetooth transmission distance: 10MMIC effective distance: 0.5~2MFM transmitting range: 3M and abovePackage contents:1x Bluetooth FM Transmitter1x User Guide