How many usb receiver dose this wireless combo need? Only one usb receiver needed, it's a 2-in-1 USB receiver, the keyboard and the mouse share the same USB receiver. Once the 2-in-1 USB receiver plugged in, the keyboard and the mouse will be connected simultaneously. Where's the 2-in-1 USB receiver? You may please turn the mouse over and take off the battery compartment cover, you will see the 2-in-1 USB receiver beside the battery slot. Previous page Next page 1 Smart Energy Saving 2 Multimedia Shortcuts 3 INDICATOR LIGHTS Previous page Next page.
eBay