XIANQI Product Description: Quantity: 1pcs Color: black + grey Bluetooth Aux Adapter: aux Bluetooth receiver helps add Bluetooth function for your car or home stereo, enabling music, Sat Nav audio, and phone calls which will be delivered through the car system directly. Not only benefit car entertainment but also save the costs to retrofit an old car without Bluetooth. High-Fidelity Stereo: Equipped with the latest Bluetooth v5.0 chipset offers a 10m stable connection without delay. car aux Bluetooth adapter also supports SBC codec, built-in isolating module filters the static noise providing crystal clear audio via Bluetooth. Hands-Free Calls: Bluetooth car aux receiver also has built-in microphones for hands-free phone calls. Besides, it also supports connecting 2 different smartphones simultaneously, you can switch freely between them. Not only keep a safe driving but also the best travel companion! Plug-and-Play: Simply plug play, connect as soon as the ignition is turned on, and disconnect once the car is off. Only plug it into the 3.5mm aux jack and power it by the USB port, no need to continually charge the battery! Bluetooth aux adapter supports connecting all Bluetooth-enabled smartphones/tablets/laptops to car aux and home stereo which is equipped with a 3.5mm jack. Compact Design: car aux Bluetooth receiver is made of zinc alloy connectors and a 10mm reinforced joint, enhanced durability with a stylish design to perfectly match with your car aux and home stereo. Besides, it also features with 0.3M-1.5M premium TPE elastic cable, satisfying your needs on different occasions.