A 3D model of a vintage office communication device, featuring a white corded telephone and a metallic VCR with detailed buttons, crafted in a retro design. It has high texture detail and low polygon count, suitable for office displays and design references.

A 3D model of a Haier floor-standing air conditioner, featuring a sleek white plastic and metal body with a Haier logo, and a modern clean design aesthetic. It has detailed ventilation grilles and low polygon count, suitable for home and office environments. （注：原类目Office Appliances可能不准确，柜式空调更属Home Appliances，已纠正。）

A 3D model of a graphics tablet, featuring a pressure-sensitive screen, stylus pen, and foldable stand, with a modern, minimalist design. It has high-definition display and precise pen tracking, suitable for office, design, and note-taking.

A 3D model of a desktop fan, featuring a white plastic body, dark wooden tripod legs, and a circular top with ventilation holes, with a minimalist and modern aesthetic. It has a compact, lightweight design and is suitable for office environments and home workspaces.