✅ Highlight ⚡【Bluetooth 5.0】 Fast transmission speed, stronger connection stability; Stable transmission without delay, without loss of sound quality. ⚡【Compatibility】The o Bluetooth adapter supports FM Transmission to Car Stereo Radio, o Sources can be USB Drivers & Bluetooth. ⚡【USB-A + USB-C Quick Charge】USB-A1 Output DC 5V/1A, USB-C Output 5v/3.1A ⚡【Crystal Clear Music Streaming】Stream music on your car stereo via Bluetooth/ FUSB Flash Drive (≤32GB). Advanced noise reduction technology will ensure quality, crystal clear sound. ⚡【Enjoy Hands-free Calls】: Bluetooth 5.0 technology provides a stable connection and echo-cancellation can reduce background noises for better hands-free calls, so you can answer phone calls with a press of the button. ⚡【LED Screen + Colorful LED Light】LED screen displays the FM Frequency and Voltage information; with Separate Button the control the colorful LED lights. ⚡【Safety Functions】Equipped with a voltmeter to show you the condition of your car battery. ✅ Specification ⚡ Bluetooth FM Transmitters ⚡ Model: T46 ⚡ Car Cigarette lighter Powered, DC 12V/24V ⚡ Bluetooth Version: V5.0 ⚡ Bluetooth Transmission Range: Approx 10 Meters ⚡ o Input: Bluetooth / USB Driver ⚡ o Output: FM Transmitters ⚡ FM Frequency: 87.5 ~108MHz ⚡ USB-A Output DC 5V /1A ⚡ USB-C Output DC 5V/ 3.1A ⚡ Music Format: WMA, WAV ⚡ Bluetooth stereo music playback ⚡ Call echo cancellation and noise reduction (CVC) technology ✅ Package Included ⚡ 1x Bluetooth FM Transmitters for Cars ( No Retail Box) ⚡ 1 x User Manual