?What You Get & Warranty Policy? Your purchase includes 1x Bluetooth aux adapter, 1x cable ties, and 1x user manual. If you have any questions or concerns about our product, please contact our customer support team, and we will address your issues within 24 hours. ?Multi Safety Protection?JOYROOM Car Bluetooth adapter strictly follows national quality standards and has passed FCC, CE, RoHS, BQB, and other certifications. The AUX Bluetooth adapter has built-in withstand voltage protection, overcurrent protection, short circuit protection, and NTC overheat protection. Make sure our equipment is safe to use. ✓?Easy to Use? Simply plug our AUX Bluetooth adapter into your car’s AUX port and power it via a USB socket. It turns on/off with the car without any charging hassles. The multi-functional button lets you play music or answer calls without needing to take out your phone, allowing you to keep your eyes on the road for safer driving. ?Latest Bluetooth 5.3 Technology?Our Bluetooth 5.3 car adapter provides faster, more stable, and smarter connections with minimal sound quality loss over a working range of up to 100 feet. ?ENC Noise Cancellation? JOYROOM Bluetooth receiver features a significant technological innovation - simply slide the “ENC” button on the side of our Bluetooth adapter during hands-free calls to experience crystal-clear call quality. Paired with CVC8.0 noise reduction technology, it effectively filters out road noise, electrical interference, and other disturbances, ensuring impeccable sound during hands-free communication.