[Quick pairing and automatic reconnection]Start the Bluetooth 5.0 AUX receiver, find the device named Eb01, you can quickly pair with your phone, the second time you use it, the Bluetooth adapter will actively connect to your phone.[High-quality sound without noise]Bluetooth 5.0 chip transmission, stable signal transmission, no delay, high fidelity stereo, noise isolation, provide 10 meters stable connection, no delay.[Wireless car kit and hands-free calling]Built-in high-definition noise-cancelling microphone, support hands-free calling when incoming calls, ensure driving safety.[Multi-scene usage and wide compatibility]The 3.5mm AUX bluetooth adapter is connected through the AUX interface, compatible with the released bluetooth of smartphones/tablets/laptops, and can be directly connected to cars, TVs, speakers and headphones.No battery required: 5V USB output port (car USB port/carlighter/power bank/computer/charger) for power supply, mainly used for home stereo system with AUX audio input function.Colour: blackMaterial: TPE+metalSize: Cord length: about 35cm unstretched, stretched about 110cmPackage Contents:1 * Bluetooth Aux AdapterOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.