?Package Content and After-sales Support?1 x USB Bluetooth Car Kit, 1 x 3.5mm Audio Cable, 1 x Car Charge, 2 x 3.5M Adhesive Sheet, 1 x Noise Canceller, 1 x User manual .We always provide you with friendly and timely customer service. If you have any questions, you can always contact us. ?Auto-on & Auto-connect?With auto-on and auto-connect features, it effortlessly syncs with your last connected phone, which is very convenient. ?Versatile Compatibility?Compatible with most cars with a 3.5mm AUX input, the Bluetooth adapter integrates seamlessly into your vehicle for convenience. Moreover, the included dual-port USB car charger keeps your devices powered up at all times. ?Noise-Free Environment?The Bluetooth car adapter is equipped with a ground loop isolator that removes background noise, reduces the hum of the car, and creates a superior audio experience. Enjoy your favorite music with exceptional clarity. ?Multi-Device Connectivity? This Bluetooth Aux Adapter for Car can connect two devices and switch between them at any time. Family members can effortlessly connect their devices and take turns playing their favorite music. ?Hands-Free Calling & Safer Driving?The Bluetooth Car Kit features a built-in microphone, allowing you to enjoy hands-free calling, stay connected with your loved ones and enjoy safer, distraction-free driving. ?Bluetooth 5.0 Technology? Equipped with Bluetooth 5.0 technology,the Aux Bluetooth Adapter for Car ensures clear calls and an immersive music experience to keep you comfortable and enjoyable.