Cooper Cases (TM) Optimus Universal Bluetooth Keyboard in White & Silver (Collapsible Compact Portable Design; Built-in Rechargeable Lithium Battery) The Optimus is a universal US English QWERTY keyboard designed to support all iOS, Android and Windows devices. Forget trucks, heres the first Transformer in the mobile accessories category, the foldable keyboard powers on the minute you transform it. Ultra lightweight and super travel friendly (itll fit in your pocket), you basically wont notice it unless youre using it. Enjoyable, regular resistance tactile feedback keyboard enhances your control with a variety of hotkeys and shortcuts. Aluminum bottom exterior, adds weight, durability and hard shell protection for when its closed. Charging cable included. All stock shipped from USA. Next day delivery available with Express shipping (excl. remote areas).