Bluetooth car receiver with premium sound Turn your home or car audio system into wireless Bluetooth, the world's smallest music receiver, and stream crisp, high-quality music from your smartphone or tablet. Hands-free calling with the built-in microphone makes it easy to catch up with friends. Operation Guide 1. Connect the audio port with a 3.5mm AUX jack. 2. Connect the power port with a USB socket. 3. Turn on Bluetooth in your cell phone, then click to pair, allowing you to enjoy your music wirelessly. Newest Bluetooth 5.0 ReceiverIt which allows non-Bluetooth devices to become wireless thread. The latest Bluetooth 5.0 technology ensures a stable connection between your phone and non-Bluetooth audio player (with 3.5mm AUX port) like home/car stereo. Note: This is just a Bluetooth receiver, not a Bluetooth transmitter. Hands-free calls and music streamingBuilt-in microphone allows calls hands-free phone calls, it also provides wireless wireless music streaming while driving, taking care of your driving safety and getting rid of boring long car journeys. Super Easy Operation Just plug in then it will play, connect as soon as the ignition is turned on, disconnect once the car is turned off. Only plug it into the 3.5mm aux jack and power it through the USB port, no need to continuously recharge the battery! The universal compatibility adapter supports connecting all Bluetooth smartphones/tablets to the auxiliary car and stereo equipped with a 3.5mm jack. Dual connection for more choicesThis Bluetooth adapter can connect 2 Bluetooth devices to enjoy your music and not miss any calls or enjoy music and navigation at the same time (NOTE: it can connect 2 devices, but only one to the times time) High Quality and Compact DesignMade of premium aluminum alloy and TPE material, enhanced durability with sleek and compact design to perfectly match your car and to your stereo. In addition, it also has an elastic TPE cable, which can be extended to 0.35-1m long, to meet your needs on different occasions. Product parameters Product name: Car Bluetooth receiver. Model: KL-YP04 Output interface: 3.5mm < p>Bluetooth version: Bluetooth 5.0 Material: aluminum alloy + TPE Transmission range: 10 meters Length: 35-100cm< /p> color: gray Quantity delivered: 1 piece