The Logitech Unifying Receiver USB Dongle is a black USB 2.0 dongle designed for gaming purposes. It is compatible with PCs and features Bluetooth v3.0 standard connectivity. This unit allows for easy connection of various devices to your computer for a seamless gaming experience. With the Logitech brand known for quality and reliability, this dongle offers a convenient and efficient solution for enhancing your gaming setup.You will be receiving one unit per order.