Description: Product name: Car Charger Fast Charge/MP3 Bluetooth Player/FM Transmitter Function: Car charger, Bluetooth player How to use the charger function: - Align the socket and insert the device to be charged. - Compatible with fast charging. How to use the player function: 1. Tune the car FM radio station from 87.5MHz to 108.0MHz. 2. Tune the FM transmitter to the same frequency as the car FM radio. 3. Connect the product to your smart device via Bluetooth. It can transmit calls, music, and navigation to the car stereo system. Alternatively, you can insert a micro SD card/U disk into the product, and it will play music automatically. Product Details: - Material: ABS - FM function: Yes - PC interface type: Bluetooth - Size: 1.1 inches - Power supply voltage: 12-24(V) - Screen Color: Monochrome screen - Power supply mode: Cigarette lighter type car MP3 - Audio source: Car integrated MP3 player - Applicable gift-giving occasions: Weddings, birthdays, festivals, housewarming, exhibitions - Brand: Charger - Category: Power Adapter & Charger Accessories - Size: No ambient light