Looks to be fully unused.
eBay
RGB Wired Mechanical Keyboard 104 Keys of Backlit Key Caps Gaming and Office Keyboard For Microsoft Windows and Apple IOS System
Aliexpress UK
The Microsoft Natural Ergonomic Wired Keyboard 4000 V 1.0 is a sleek black keyboard designed for comfortable and efficient typing. It features a QWERTY layout, making it familiar to most users. This is a realistic estimate based on past performance and we aim to achieve this on over 98% of orders.
eBay
Backlit Trackpad Keyboard Wireless Bluetooth Magnetic Keyboard For Microsoft Surface Pro 3 4 5 6 7 7 Plus Ultra-Slim TYPE-C
Aliexpress UK
As seen in the image, the pad is a bit worn, however in good condition
eBay
AF98 Wireless Tri-mode/Wired RGB Keyboard Multimedia Keys 4000 mAh Battery ABS Keycaps Multi-System Available Tea Shaft
Aliexpress UK
Wired Ergonomic Keyboard 4000 from Microsoft for PC, laptop, Mac. Quickly reach for commonly used symbols, such as equal sign, parentheses, and "Backspace.". They are now located just above the number pad.
eBay
Backlit Keypad for Microsoft Surface Pro 3 4 5 6 7 8 9 X Go 1 2 3 Trackpad Wireless Magnetic Keyboard Arabic Ñ Korean AZERTY
Aliexpress UK
As this is a used item, signs of wear may include: broken leather cover as pictures, keys needs cleaning with baby wipes. The box is not the original one. Minor surface imperfection (scuffs, scratches, discolouration).
eBay
K61 Wired Mechanical Keyboard 10 Kinds of Colorful Lighting Gaming and Office For Microsoft Windows and Apple IOS System
Aliexpress UK
In very good condition.
eBay
Portable Wireless Keyboard for Microsoft Surface Pro 3/4/5/6/7/7 Plus BT Type-c 7 Colors Backlight 78 keys Touchpad Keypad
Aliexpress UK
The Microsoft Curved Comfort 3000 Wired Keyboard in Black offers a comfortable and ergonomic typing experience with its QWERTY layout. It is a standard UK layout keyboard that is wired via USB, making it simple to use and plug & play. The sleek black design and English language keys make it a stylish and practical choice for users looking for a reliable keyboard for their computer setup.
eBay
Replacement Keycap Key cap &Scissor Clip&Hinge For Microsoft Surface Pro 1/2/3/4/5/6 Laptop Keyboard KEY & Clips
Aliexpress UK
Model: Microsoft 5050 1728. Type : Keyboard. Color : Black. 100% Authentic. Condition: Good Working Condition. Ending Soon. Product Details.
eBay
K68 Wired Mechanical Keyboard 10Kinds of Colorful Lighting Gaming and Office For Microsoft Windows and Apple IOS System
Aliexpress UK