Bluetooth to Aux Receiver YP04 What you get and who it helps - A Bluetooth 5.1 Receiver to 3.5mm AUX adapter for car stereo, speaker, amplifier, headphone, or any other audio device. - Ideal for older cars without built-in Bluetooth, allowing you to enjoy music and make phone calls through your car speakers or headphones. - Uses the Bluetooth name YP04 for pairing. How to use - Step 1: Plug the 3.5mm audio Bluetooth dongle into a 3.5 mm AUX jack. - Step 2: Connect the USB power source (power bank, vehicle USB slot, DC USB A adapter, or USB hub on a laptop). The green light will flash quickly. - Step 3: On your phone, search for the Bluetooth name YP04 and connect. The green light will flash slowly when connected. - Step 4: Play music on your phone and hear it through your car speaker or headphones. Hi-Fi stereo sound and hands-free calls - Built-in Bluetooth 5.1 chipset delivers clear sound for listening and speaking. - Built-in microphone enables hands-free phone calls through the car speakers. - Makes it convenient to listen to music, answer calls, and use GPS navigation while driving. 1-to-2 dual connection and automatic reconnection - 1-to-2 dual connection lets you connect two phones at the same time to share music and switch between devices. - Automatic reconnection ensures the adapter reconnects to your phone when you return to your car. Use scenarios - In an older car without Bluetooth: stream music from a phone to the car stereo and make hands-free calls through the car speakers. - In a home setting: connect a phone, tablet, or laptop to a speaker or amplifier with a 3.5mm input for wireless audio playback. - Sharing music on the go: two phones can be connected simultaneously to switch between sources without re-pairing. Key attributes and performance - Function: Bluetooth 5.1 to 3.5mm AUX audio adapter with hands-free calling. - Compatibility: Works with car stereos, speakers, amplifiers, headphones, and other audio devices that use a 3.5mm AUX input. - Connection: 1-to-2 dual phone connection with automatic reconnection. - Indicators: Green LED shows power and connection status (fast flash when pairing, slow flash when connected). - Name: Bluetooth device name is YP04.