1. Bluetooth version: 3.0 2. Dimension: Foldable: 94*132*20mm 3. Unfoldable: 94*262*10mm 4. Key:14*14mm ... MINI Foldable Bluetooth Keyboard with Foldable Size Of 94*132*20mm Bluetooth version: 3.0Compatible Operation Systems: Symbian S60, V3 ... .0 /win 98,2000, me, xp, vista,7Dimension: Foldable: 94*132*20mmUnfoldable: 94*262*10mmKey:14*14mm MINI Foldable Bluetooth Keyboard ...