- Bluetooth to Aux Adapter: Upgrade your audio experience with this Bluetooth 5.1 Receiver designed for car stereos, speakers, amplifiers, headphones, and more. Perfect for vehicles like older Toyota models lacking built-in Bluetooth, this adapter allows you to enjoy music and make hands-free calls with ease. - Easy Setup with YP04: The Bluetooth name for this device is YP04. Simply plug the 3.5mm audio dongle into the aux jack, connect the USB port to a power source such as a power bank or your vehicle's USB slot, and watch for the green light to flash quickly. Search for "YP04" on your Bluetooth-enabled device to connect; the green light will flash slowly once paired. Now, you can play music directly through your car's speakers or headphones. - Exceptional Sound Quality: Featuring a built-in Bluetooth 5.1 chipset, this adapter delivers clear audio for both music and calls. The integrated microphone enables hands-free calling, ensuring you can talk safely through your car's speakers while driving. Enjoy a seamless listening experience for music, phone calls, and GPS navigation. - 1-to-2 Dual Connection: This adapter supports simultaneous connections for two devices, allowing you to easily share music or switch between phones. The automatic reconnection feature ensures that your device reconnects effortlessly when you return to your vehicle, providing convenience every time you drive. - Practical Applications: Use this adapter during daily commutes to enjoy your favorite playlists while keeping your hands on the wheel. Perfect for road trips with friends, where multiple phone connections enhance the shared music experience. Ideal for anyone who frequently uses GPS navigation and needs clear audio guidance without distractions.