Features and specifications The ThinkPad 10 Ultrabook Keyboard is a thin, mechanical keyboard that provides the optimal mobile typing experience. Connected through a custom hinge, the tablet rests at the ideal viewing angle for maximum productivity. A built-in track pad provides users a tactile way to manage and use legacy office programs and other applications. The keyboard supports two user modes: notebook mode and tablet mode (limited Model). Features include: •Built-in glass track pad • Two modes: tablet mode, notebook mode •Classic ThinkPad keyboard quality •Storage slot for digitizer pen •Custom fit for ThinkPad 10 Tablet Physical specifications Unpackaged •Approximate weight: 0.778 lb (353 g) •Approximate height: 9.5 mm (0.37 in) •Approximate length: 262.6 mm (10.34 in) •Approximate width: 164.6 mm (6.48 in) Packaged •Approximate weight: 1.34 lb (608 g) •Approximate height: 50 mm (1.97in) •Approximate length: 332 mm (13.07 in) •Approximate width: 223 mm (8.78 in) Electrical Specifications •5 V, 100mA maximum Physical Specifications •Keys: 80 keys, 81 keys, or 85 keys (varies by country or region) •Color: Black •Product Dimensions: ? (Length x Width x Depth) ? 256.1 mm x 196.5 mm x 7.3 mm (minimum thickness) ?256.1 mm x 196.5 mm x 26 mm(Maximum thickness with the non-skid feet) •Package Dimension: 280mm x 205mm x 35mm •Weight: About 535 g