● Manufacturer Lenovo ● Brand ThinkPad ● Model Number KC-1957 ● Color Black ● Product Details ・ Layout: 89 keys (Japanese, JIS layout) ・ Key Stroke: Approximately 1.8mm ・ Key Pitch: Approximately 19.05mm (horizontal), Approximately 19.05mm (vertical) ・ Connection Method: Dual Wireless Connection Bluetooth 5.0 (Swift Pair compatible, supports Windows 10 and above only) 2.4GHz Wireless (via USB receiver) ・ Supports 6-point input for the visually impaired ・ Supported OS: Supports Windows 10/Windows 7/ Android 8.0 and above, added function buttons from F9 to F12 when operating Android ・ Charging Port and Charging Cable: USB Type -C port, USB Type-C to USB Type-A cable (included) ・ Height: 12.39mm ※ Please check the manufacturer's website for details other than the above. ● Included Items ・ Wireless Keyboard ・ USB Receiver ※ There are no other accessories. ● Condition ・ Purchased in 2020 and used for about 10 months. There is some shine on the top of the keys that were used frequently, but there are no other noticeable deep scratches or stains. ・ The TrackPoint has been replaced with a soft rim. ・ Product image 18: Connected to a laptop (Windows 11) via USB receiver and performed a keyboard test. ・ Product image 19: Confirmed that it can connect to a smartphone via Bluetooth. ★ Please check the product images for details of the appearance. ● Notes Please purchase if you are satisfied with the product images. Please refrain from purchasing if you are a nervous person or concerned about minor details, as it is stored at home. ● Shipping Method We plan to ship via "Rakuraku Mercari Bin" (anonymous shipping) within 2-3 days. You cannot specify the delivery date and time. Thank you very much for reading to the end. We hope you will purchase after checking the product images and description. If you have any questions, please feel free to ask in the comments section before purchasing!