Feature: 1. The wireless design helps eliminate the limitations of cables. Say goodbye to tangled cords. 2. Made of plastic, this wireless adapter is lightweight and durable. 3. The compact, portable size makes it easy to carry. 4. This USB dongle works well with o devices for Bluetooth and is compatible with the controller. 5. It is easy to use. 6. Suitable for use with Bluetooth headphones. Instructions: 1. Turn on the device and insert the adapter into a USB port on the controller. 2. For first-time use, insert the adapter into the USB port. The blue light will flash slowly. Press and hold the button for about 2 seconds until the blue light flashes rapidly, indicating pairing mode. Turn on the Bluetooth headset and place it in pairing mode. Wait for the USB adapter to connect to the headset. When connected, the blue light on the adapter will remain steady, indicating successful Bluetooth functionality. 3. Insert the microphone into the headphone jack of the controller. 4. Enter the device settings interface. 5. Select and enter "Peripheral Machine." 6. Select the sound device. 7. Set "Input Device" to "USB o Device." 8. Set "Output Device" to "USB o Device." 9. Adjust the microphone volume, test the microphone, and press "OK" to complete the setup. 10. Adjust the earphone volume to a suitable level. 11. Set output to headphones for all sounds. 12. You can now use the Bluetooth headset to hear in-game o and enjoy a wireless gaming experience. Specification: Compatibility: PlayStation 4 Model: Wireless Adapter for Bluetooth Size: 64 x 12 x 2 cm Connectivity: Wireless Model Number: Wireless Adapter for Bluetooth Color: Black Material: Plastic Package Contents: 1 x Wireless Adapter Note: Light and display differences may cause slight variations in color between the image and the actual item. Measurement error is +/- 1-3 cm.