Thank you for viewing! This product will be shipped within 24 hours of purchase. [Product Description] This is a Bluetooth FM transmitter with a USB port. It's easy to use, allowing you to easily listen to your favorite music or audio from YouTube on your car speakers. It has two USB ports with a maximum output of 3.1A, so you can quickly charge smartphones with large-capacity batteries. It also has call answer/end functions, allowing for hands-free calls. ---How to Use--- ① Connect this device to your car's cigarette lighter socket. ➁ Match the radio frequency of your car audio with the frequency of this device. ③ Connect your smartphone to this device via Bluetooth. With these three steps, you can play the audio from your smartphone on your car speakers. You can also play music files from USB drives and SD cards, such as MP3 files. Compatible with 12V/24V cars, so it can be used in almost all cars on the market. [Product Specifications] ・FM Frequency Range: 87.5～108Mhz ・USB Output: 5V / 1A (left) ・ 3.1A (right) ・Weight: Approximately 30g ・Included: Main unit, instruction manual (English/Chinese) [Other Notes] There may be initial scratches due to being an imported product. We ship with measures to prevent damage and water damage, using eco-friendly packaging. We do not provide any usage support. Please read the product description and instruction manual. Returns are not accepted due to customer reasons such as a different image, not knowing how to use it, or no longer needing it. If there is an initial defect in the product, please contact us before leaving a review. $$