Genuine Dell White Multimedia Wireless Slim Keyboard with Receiver Part Numbers: Y853M, M797C / Model Number: Y-RBP-DEL4, C-UAM35 White Wireless Slim Design Keyboard 104 Keys, 10 Multimedia Buttons, Fold Out Feet, Palm Rest Keyboard Works with Desktop and Notebook Systems Receiver Works with Y853M Keyboard, Works with M756C Keyboard, Works with M787C Wireless Optical Mouse Receiver Requires a USB 2.0 Port