Bluetooth wireless : Fast data transmission, and it has up to 33FT working range.Ergonomic design : High plastic Material, Slim Design Number Pad, Ergonomic tilt and anti- pads on back provides comfort.Multi-function 22 keys number pad: Numeric keypad supports NumLock, ESC, Tab, Delete etc. high scissor switches : Comfortable typing- Keys , round design, are easy and silent to press.Rechargeable : Built-in rechargeable battery, single charge can use 3 months.Compatibility: Works with PC and desktop computers that have Windows 2000/ XP/ Vista/ 7/ 8/ 10 , and iOS operating .Colour:PinkMaterial:plasticPackage Contents:1 x Wireless Number PadOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.