Transform your audio experience with the USB to 3.5mm Bluetooth AUX Adapter, designed for easy connection to your car stereo, speakers, amplifiers, or headphones. Simply plug it into the AUX port and connect the USB to a power source to activate Bluetooth. Turn on your phone's Bluetooth and pair with "YP04." The LED indicator signals connection status, flashing quickly during startup and transitioning to a steady blink once paired. Key Benefits: - Bluetooth 5.3 Technology: Enjoy stable connectivity without delays for seamless music streaming. The built-in antenna supports transmission distances of up to 10 meters. - Dual Device Connectivity: Connect two phones simultaneously for effortless music sharing and easy switching between devices. Automatic reconnect feature ensures your phone connects as soon as you enter your car. - Hands-Free Calling: Use the built-in microphone for clear, hands-free phone calls and voice navigation through your car’s speakers, allowing you to focus on the road. - Plug and Play Convenience: No need for charging. Simply plug the adapter into your car's AUX port and connect to USB power. It powers on and off automatically with your vehicle. - Durable Design: High-quality transmission through 3.5mm audio output and enameled copper wire for clear sound without interference. Compact and portable design makes it easy to take on the go, while its zinc alloy casing ensures durability. Practical Applications: - Stream music from your smartphone while driving for an enhanced listening experience. - Make hands-free calls safely during commutes or road trips. - Use voice navigation seamlessly, ensuring you stay focused on the road ahead. Customer Support: Our dedicated 24/7 support team is ready to assist with any inquiries, ensuring you have the best Bluetooth audio experience. Note: The USB port is solely for powering the Bluetooth function, not for audio transmission. If using the microphone with an ISO phone, set the device type to "Speaker" for optimal performance. The green LED indicator blinks rapidly when powered on, transitioning to a slower blink upon successful connection with "YP04."