(New, Unopened) Lenovo Wireless Keyboard (Japanese Version) & Wireless Mouse

New, unopened wireless keyboard and wireless mouse set. (Retail price: ¥8,800)

The keyboard has a Japanese layout. For reference, photos of an opened unit are included (this product is unopened).

(Specifications)
Keyboard Layout: 3-zone layout
Language: Japanese
Color: Black
Battery Life: Up to 24 months
Weight: Mouse - 80 g, Keyboard - 700 g
Mouse Buttons: 3 (Left click, Right click, Scroll click)
Mouse Sensor: Invisible laser
Required Hardware: PC with USB port, supports wireless connection via USB receiver
Power: Mouse - 2 AA batteries, Keyboard - 2 AA batteries
Scrolling: Scroll wheel (Up/Down/Left/Right)
Supported OS: Windows 7, Windows 8, Windows 8.1, Windows 10
Height:
Mouse - 34 mm, Keyboard - 20 mm
Length:
Mouse - 64 mm, Keyboard - 450 mm
Depth:
Mouse - 113 mm, Keyboard - 164 mm