【Mechanical Blue Switches 】 Professional mechanical switches with tactile bump and audible click, Provide fast and precise key presses.
【Plug & Play】 No drivers required; USB port required. Supports NumLock, ESC, Tab, Delete etc.
【Extreme Durability 】 Ensures 50 million times keystrokes, Never Faded Key Characters. Aluminum and ABS construction stand up to tough conditions
【Ergonomic Design】 The stepped keycap, fit your hands easily to prevent fatigue. Spring type ergonomic design, care for your wrist . Works with PC and desktop computers that have Windows 2000 / XP / Vista / 7 / 8 / 10, Android/Linux/IOS
【Expand Your Desktop】 21 keys mechanical numeric keypad is suitable for laptop users, banking, financial securities, business workers or other keyboards without numeric section. Small and light, easier for you to carry anywhere