Jelly Comb [Stainless Steel] Wireless Bluetooth Keyboard With Touchpad for Windows and Android OS - Multi-touch Support with Windows 7 and 8 Bluetooth 3.0 technology provides a cable-free & clutter-free connection,operating distance 10m; Built-in touchpad with Control of Pointing Feature (Support Windows XP, Vista, 7, 8 and Android 3.0 - 4.4); Ergonomic tilted design with stainless steel base board, sleek and durable; Ultra thin,easily stows in a backpack, messenger bag, or case; Takes 2 AAA batteries(NOT included), auto-sleep feature saves power and extends battery life; Scissor-Switch keyboard provides you with very comfortable and pleasing typing experience.