1. wireless Dongle upgrade to the latest version, stable performance. 2. Size: 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.