ship from Japan OmniPoint switch using a newly developed magnetic Hall effect sensor Adjustable actuation point between 0.4mm-3.6mm Organic EL display and metal roller that can control settings and apps Smooth and beautiful design with aluminum housing used in the aerospace industry Japanese layout 108 key model Size: 436.7mm x 139.2mm x 40.3mm (width x depth x height) Compatibility: Windows, Mac OS x (USB port required)