SLIM ALUMINUM DESIGN: Constructed of solid and premium aluminum materials for long-lasting use, the ergonomic tilt for comfortable typing and good look, slim style appearance, perfectly matches your Macbook, MacBook Air / Pro, iMac, PC, surface pro, laptop or desktop as the side external numeric keypad
Bluetooth 3.0 technology provides a cable-free & clutter-free connection, the external 34-keys full keypad extends your existing keyboard, operating distance 10m
Built-in 110mAh rechargeable battery
Includes shortcut keys and low profile quiet scissor-switch keys so you can work comfortably on your computer or laptop. Compatible with Mac OS, Windows, Android, iMac, MacBook Pro, MacBook Air, MacBook, Surface Pro 4 / Pro 3, Samsung Tablet Smart Cellphone PC Desktop laptop, etc.