Item Type: Car Bluetooth FM TransmitterMaterial: ABSModel: B4Bluetooth Version: 5.0Interface: 2 x USB2.0, 1 x Memory CardScreen: LED ScreenSupport Memory Card or U Disk Capacity: 32GBPower Supply: DC 12V-24VSupport File Type: MP3, APE, FLAC, WAVBit Rate: 64-320kbpsFm Frequency Range: 87.5-108MHz (100KHz Step)Package List1 x Car Bluetooth FM Transmitter1 x Manual1Easy to use, insert the Bluetooth car adapter into the car cigarette lighter, select an empty FM frequency on the car radio, connect the Bluetooth on the mobile phone or tablet to this hands free car kit, and then adjust it to the same frequency. After the pairing is successful, it will transfer your phone music to the car audio system. 23 kinds of music playing modes, the car music adapter supports 3 kinds of music playing modes. 1. Bluetooth pairing music 2. Memory card 3. U disk. Support WMA, MP3, WAV, FLAC format files. It will provide you with a great audio experience in the car, and you can listen to your favorite songs in the car. When there is an incoming call, it will automatically switch to call mode. 3Dual USB fast charge, the maximum output of the USB charging port of the car FM transmitter is 5V/3.1A, which can charge your device very quickly. The USB port can not only charge, but also read the U disk and play your favorite music. If you want to charge your phone and laptop at the same time, or play music from your phone, or both. 4Our car FM transmitter supports hands free calling to ensure safe driving. Switch seamlessly between incoming calls and music. Make driving easier and safer. Connect the mobile phone and the Bluetooth adapter via Bluetooth, answer, redial, hang up or reject the call with one touch. Built in microphone and noise suppression (CVC) technology enable clearer hands free calls. You can make your driving safer. 5Bluetooth V5.0 is widely compatible with any 1224 V vehicle. The wireless Bluetooth FM radio adapter has an advanced Bluetooth V5.0 chip, so it can connect to Bluetooth devices very fast, signal reception is more stable, anti interference performance is good, power consumption is lower, and it supports power off memory function. And compatible for IOS, tablet, for Android and any other Bluetooth devices.