FANTECH FTK801 Numeric Keypad With Sensitive Response Keys and 4 Office Hotkeys, Think & Light But Reliable. FANTECH FTK801 Numeric Keypad Ultra-thin notebook computers caps design Aesthetic appearance Durable structure, long life Non-synchronous digital input, no affection to the other keyboard Sensitive Response Keys Our keyboard buttons provide you with sensitive reaction speed. To help you achieve fast input. With 4 Office Hotkeys This numeric keypad also give you the fastest way to access your homepage, email and calculator or to move between cells. Thin and light but reliable Only 15mm on the thickest side and 114gr light enough for travel PC - Keyboard