I have multiple of the MSFT Sculpt keyboards. It's wireless. Comes with separate wireless number pad. Now produced by Incase. It has Windows key, but it's easy to remap.

Official name now : Incase Designed By Microsoft Sculpt Ergonomic Wireless TKL Keyboard

https://www.incase.com/products/sculpt-ergonomic-keyboard

(In Canada, only available at Bestbuy)