welcome to our shop! feature: 1Wireless design can help you get rid of the limitations of cables. Say goodbye to tangled wires 2 This wireless adapter is made of plastic, lightweight and durable. 3 Portable size makes it easy to carry 4 This USB adapter works with Bluetooth audio devices and controllers 5. Easy to use. 6Suitable for PS4 game controller and Bluetooth headset Instructions for use:  1Turn on the Bluetooth adapter and plug it into one of the USB ports on the controller. 2 If it is the first time to use, plug the adapter into the USB port, the blue light will flash slowly. Press and hold the button for about 2 seconds, the blue light flashes quickly, and it enters the pairing state. At this time, turn on the headset Bluetooth and enter the pairing state, waiting for the USB adapter to connect to the Bluetooth headset. After the connection is successful, the blue light of the USB adapter is always on, indicating that the Bluetooth function is working. 3Plug the microphone into the controller headphone jack 4 Enter the setting interface 5Choose to enter "Peripheral Machine" 6Select sound device 7Set "Input Device" to "USB Audio Device" 8Set "Output Device" to "USB Audio Device" 9. Adjust the microphone volume and test the microphone volume at the same time. Press the "OK" key to complete the setting. 10Adjust the headphone volume to the appropriate size 11 Set all sounds to headphone output 12 Now you can use Bluetooth headphones to listen to in-game sounds and enjoy unlimited gameplay. Size: 6.4x12.7x2cm Connection method: wireless Model: Wireless Bluetooth Adapter Colour: Black material: plastic Packing list: 1*Wireless adapter Contains only the above package contents and does not include other products. Notice: Please allow slight errors due to manual measurement and different monitors. (Customer satisfaction is our top priority, if you find any product problems after receiving the goods, such as damage or incorrect quantity, please contact us immediately. We will try our best to provide you with satisfactory after-sales service) Thank you for meeting me and I hope this helps. wish you a happy life.