Provider: Logitech International S.A.
Model: MX Keys (Illuminated Wireless Bluetooth/USB Keyboard)
Color: Space Gray
Status: 2nd-hand in use of 5 months with 100% functionality alongside the entire set including the box
Invoice: Yes, from Logitech (HK) Store still with 7-month warranty
Footnote: Although this model is intended for macOS, the keyboard is actually universal just with different key symbols (e.g. "Command" on Mac = "Start" on Windows)

品牌：羅技
型號：MX Keys（背光無線藍牙/ USB 鍵盤）
顏色：太空灰
狀態：二手正常、全套連盒、僅用五月
單據：有（本地羅技直銷店，仍有七個月保養）
附註：雖此產品針對蘋果電腦系統設計，但鍵盤本身乃通用，差別僅在於鍵之稱呼（如：蘋果電腦之 「Command」即微軟視窗之「Start」鍵）。

Specs Details in this Retail 技術詳情、盡在官網：
https://www.logitech.com/en-hk/products/keyboards/mx-keys-wireless-keyboard.920-009418.html