Model:UD2301 Interface: USB-A Compatible with :DELL WR221 CompatibilityPremier Multi-Device Wireless Keyboard and Mouse – KM7321W Dell Premier Rechargeable Wireless Mouse – MS7421W Pro Wireless Keyboard and Mouse – KM5221W Mobile Wireless Mouse – MS3320W Mobile Pro Wireless Mouse – MS5120W Multi-Device Wireless Mouse – MS5320W Multi-Device Wireless Keyboard and Mouse Combo – KM7120W Wireless Keyboard and Mouse – KM636** Wireless Mouse – WM126** Premier Wireless Keyboard and Mouse – KM717** Premier Wireless Mouse – WM527** Wireless Laser Mouse – WM514** Wireless Mouse – WM326** Premier Wireless Keyboard – WK717** Wireless Keyboard and Mouse – KM714** Multi-Device Wireless Keyboard – KB700 Compact Multi-Device Wireless Keyboard – KB740 Wireless Keyboard – KB500 Full-Size Wireless Mouse – MS300 Supports Dell Universal Pairing only. Does not support Dell Peripheral Manager Package Include: 1 X Receiver Notice: 1.Your keyboard or mouse must have the for dell-specific "blue double-ring logo"printed on it, you can use it if the receiver with this logo, otherwise you can not use! 2.You must download the "Dell Peripheral Manager" software on the Dell official website for pairing before you can use it. 3. This receiver is not compatible with the km632 keyboard and mouse kit.