Instructions of Use: Turn on the game controller, insert the dongle into the USB ports. Press the dongle button 2 seconds, the LED indicator starts flashing slowly, which means dongle entering the pairing mode. Turn on your Bluetooth headset and pair it. The LED indicator will turn blue when connecting successful. The Bluetooth headsets and the Bluetooth dongle will automatically pair in the next time you use. Specifications: Standard: Bluetooth 4.0 HCI Interface: USB2.0 Transmission Range: 10M Connection: Piconet / Scatternet Support Bluetooth Profile: A2DP, HFP, HSP Output Power: 0~+4dBm Receiving Sensitivity: ~75dB Frequency Band: 2.4G ISM band Audio Codec: 16bit codec Working Voltage: 5V Color: Black Package Weight: 23g Size of the Transmitter: 3.5×2.0cm / 1.38×0.79 inch Length of the Receiver: 1.10 inchPackage Included: 1 x Bluetooth Dongle USB Adapter for PS4Note: Question: you can't listen to the music when using, only connect the auxiliary cable with the controller, it just appears the sound not music . Solution: you can set at host audio and turn the "off "into "on", then you can listen to the background music. There are some questions and solutions you will encounter. Question 1.Why it doesnt work? Solution: This product is presently not suitable for Sony BOSE. Question 2.It cannot connect to any earphones. Solution: Open the host for PS4 and plug the adapter into the USB port.Press the button of the adapter 2 seconds, the LED indicator light began to slow flash into pairing mode, turn on your bluetooth headset and matching it.When the LED lamp is blue means to connect successful, the next time when using the bluetooth headset can be automatically connected to the adapter.