Bluetooth 5.3 Receiver FM Transmitter Audio Adapter Wireless Bluetooth Receiver Features: Safe DrivingThis Bluetooth receiver allows the phone to connect to the car audio system, start up with the car, listen to phone music, audiobooks, high-definition voice navigation broadcasts, making driving safer. Built in microphoneThis Bluetooth receiver comes with a built-in microphone for hands-free amplification and clear communication, keeping both hands on the steering wheel for safer driving. Unlimited modelsThis Bluetooth receiver is suitable for various mainstream models, with a frequency adjustment range of FM87.5~108MHz, plug and play, automatic ignition connection, and stable signal without lag. Bluetooth 5.3 chipThis Bluetooth receiver is equipped with a newly upgraded Bluetooth 5.3 chip, built-in performance decoder, high-performance stereo, stable signal without stuttering, and no delay in listening to music. Automatic reconnectionThis Bluetooth receiver has a power-off memory playback function, which automatically reconnects after use and remembers the frequency. When the track is powered off and restarted, it starts playing from the first line of the disconnected song. USB poweredThis Bluetooth receiver uses USB power to adjust the product frequency to match the car frequency. By connecting to the phone's Bluetooth, you can transfer music from your phone to the car audio system for playback. Product Description: Product name: usb bluetooth FM transmitter Product color: Black Bluetooth version: V5.3 Working voltage: 5V Effective probability: within 10 meters Audio output: FM transmitter Frequency range: FM87.5-108MHz SINR: 95db Automatic return: support Power supply mode: usb power supply (5V) Package size:108.22cm/3.93.20.8in Package weight:20g/0.04lb Product Description: 1 X USB Transmitter Receiver