ITEM NAME:V4.1 Wireless Bluetooth Car Receiver 3.5mm AUX Audio Music Adapter Use W9X0 A1B5 Description Technical Parameters: Operation guide Step 1: Toggle the power switch The Bluetooth receiver indicator (blue-red) light flashes to indicate that it is ready to pair. Step 2: The Bluetooth receiver is connected to the speakers via a 3.5mm audio cable. Step 3: Open the Bluetooth settings on your smartphone, search for X6, and click to start pairing, successfully pairing, the Bluetooth indicator will light up (blue). Technical Parameters: 1. Bluetooth 4.1+EDR, transmission distance 10m 2. Support Bluetooth hands-free calling function 3. Support Bluetooth A2DP stereo 4. Support TF card playback function 5. Frequency: 2.4GHz 6. Passed CE, FCC, BQB certification 7. 3.5mm stereo input jack 8. Sleep mode, energy saving 9. Power: Charging with a mini USB cable 9. Working hours: up to 5 hours Packaging accessories: Bluetooth music receiver 2. USB cable 3. Instruction manual 4. 3.5 audio cable Package 1 * Bluetooth music receiver 1 * USB cable 1 * 3.5mm audio cable 1 * User manual Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement..Step 1: Toggle the power switch The Bluetooth receiver indicator (blue-red) light flashes to indicate that it is ready to pair. Step 2: The Bluetooth receiver is connected to the speakers via a 3.5mm audio cable.