wireless,bluetooth keyboard 78-keys rigid mini Bluetooth keyboard BRK3600BTSupport iPad,iPhone 4G,Symbian S60V3,Windows Mobile 6.0, Sony PS3Support computer based on Windows XP, Win7, Vista and Mac etcBuilt-in Li-battery chargeable by portable mini USB.Only 195x85x11mm and 185g (including USB Cable)Appearance patent no.: ZL 201030264670.7