Plug and Play: Bluetooth car adapter with ON/OFF switch. When turned on, it automatically enters pairing mode, making it easy to use. Compact Design for Easy Portability: The Bluetooth car adapter is small and space-saving, allowing you to take it anywhere. Connect it to your vehicle, speakers, or any headphone jack. The 3.5mm jack design helps reduce cord clutter. The independent multifunction button on the Bluetooth receiver allows simple control of music, volume, and calls with one click. Our promise: If you are not 100% satisfied with your order, our customer support team is ready to assist. Bluetooth Aux Receiver for Car: The Bluetooth 3.5mm Aux receiver turns your older car audio system, wired headphones, home audio, or speakers into wireless devices. Compatible with most Bluetooth-enabled devices such as smartphones, laptops, tablets, and computers. The latest Bluetooth 5.0 technology enables up to 33 feet of wireless transmission range with a stable connection, providing an enjoyable music experience while driving. Built-in HD Microphone: This Bluetooth Aux adapter features a built-in HD microphone. Press the power button to answer or end calls, pause or play music, without needing to operate your phone, helping you stay focused on the road.