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 andamp; 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 andamp; 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 andamp; 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 keyboards PORTABLE SIZE andamp; 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 Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin