Color Black Connectivity Technology Wireless Special Feature Ergonomic Compatible Devices Laptop, Personal Computer About this item LIFETIME RISK-FREE WARRANTY --- We promise a Life-time Money Back or Free New Replacement guarantee if you received defective products or have any questions with this wireless keypad and mouse combo PLUG & PLAY SUPER EASY TO USE --- The Acedada wireless number pad and mouse combo use latest 2.4GHz wireless technology, just Plug and PlayNo drivers need to be installed. Mouse & Numpad share ONE USB receiver. Do not occupy other USB port.NOTE: The USB Receiver is inserted in the battery compartment of the numeric keypad or mouse COMFORTABLE & MULTI-FUNCTION WIRELESS NUMBER PAD --- Advanced scissor-switch construction keys offer a quiet tactile response. Quick rebound action and allow fast data entring without missing a key. Supports NumLock, ESC, Tab, Delete etc. With shortcut key which can open the computer calculator directly. The Multi-Function 22 Keys Wireless external number keypad for laptop is more unique than most PORTABLE SIZE & NOISELESS CLICK MOUSE --- Portable design make it easy to store in bag for business traveling, responsive buttons provides very soft click with less noise, no more disturbing for others with the loud clicking sound NUMERIC KEYPAD COMPATIBILITY --- This Acedada wireless number keypad and mouse combo work with laptop, notebook, desktop, PC computer. Compatible with Windows 2000 / XP / Vista / 7 / 8 /10 operating systems. NOTE: The keypad is NOT compatible with Chromebook. And on Macbook OS system the function keys do not work while the number part 10 keys work fine