【2 in 1 Bluetooth AUX Adapter】Wireless transmission mode(TX) Convert wired audio into wireless signal, Transmission to wireless device output. Wireless earphone(RX) Receive wireless signal Transfer to wired audio via wireless connection. | 【Bluetooth 5.0 Stable Connection】This car Bluetooth adapter uses the latest Bluetooth 5.0 technology, which can achieve 33 feet (10 meters) long-distance transmission and stable connection, allowing you to enjoy your favorite music while driving! | 【Simple operation】This bluetooth car adapter with an ON/OFF switch, when you turn on the switch, it will automatically enter the pairing mode, and the pairing is successful quickly, which is convenient for you to use. | 【Hands-free Call】This bluetooth receiver with a built-in microphone, press the power button to answer or hang up; pause or play music, no longer need to operate your phone, free your hands, and drive safely. while you are on the move. Make sure you drive safely! | 【Ultra-Portable】With a compact size, you can carry this bluetooth auxiliary adapter for car, and it does not take up place in your pocket and no space in the car. | 💝【HEARTWARMING REMINDER】 If there are any problems with the use or function of the product, or if the product is defective/damaged, please contact the seller first, we will do our best to solve the problem for you.