Portable Travel Keyboard: This foaling Bluetooth keyboard takes minimal space (Folding Size: 18*10.8*1.6 cm Extend Size: 34*10.8*0.95 cm, 0.52lb ) and fits well with Most Carry Bags. Full Size (small) Keyboard: Equipped with numerical pad, touch pad and extended shortcut functionality. Efficient numeric input in fields like accounting, programming, and data analysis, a numpad significantly improves input speed. 3 Devices Compatibility: Easy connecting the keyboard via Bluetooth to tablets, smart phone and laptop PC (Press FN+C to choose BT1/BT2/BT3 Channel) Great on Typing: The keys are flat and only have raised bars at the bottom of the F and J keys to help with hand and finger placement for touch typists. Well-made standard US keyboard layout with large keys offers a familiar and comfortable typing experience. Quality built: Nillkin Pocket Cube Foldable Keyboard Made from organic silicone that resists coffee spills, fingerprints, and even mid-meeting panic sweats. Good