1wireless Dongle upgrade to the latest version, stable performance.^ 2Size: approx. 3.3cm x 1.6cm x 0.8cm Transmission range: 33 feet (10 meters) Perfect compatibility: suitable for any Bluetooth headset (Bluetooth adapter must be connected to the PS4 console, if you are connected to another machine is not available)^ 3 When you plug in the USB slot, the USB adapter will connect to any wireless audio device. With a wireless microphone, you can chat while plugging in the controller.^ 4 3.5mm male and female busbars, perfectly connected to the microphone. A cable clamp that holds the microphone on your clothes. This allows you to play the game without noise when talking to the microphone, bringing you the perfect gaming experience (Sony BOSE JBL brand is not supported at this time)^ 5The wireless Protocol Stack is implemented on the dongle, regardless of the host. Only the host supports USB Auido, plug in the USB BT Dongle to send the host audio signal to the wireless terminal device through Dongle.