When comparing Truly Ergonomic 209 vs Logitech K810, the Slant community recommends Logitech K810 for most people. In the question“What are the best keyboards for programming?” Logitech K810 is ranked 32nd while Truly Ergonomic 209 is ranked 44th. The most important reason people chose Logitech K810 is:
And it can operate while charging!
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Pros
Pro Blank keys look sly
The 209 comes with blank keycaps, which looks great. It also helps learning how to touch type.
Pro Comfortable and ergonomic
The 209 is designed ergonomically, so it fits user's hands naturally, making it comfortable to use.
Pro Non-staggered keys for easier typing
This keyboard's keys are arranged in a non-staggered way. This allows for a more efficient, easier typing process.
Pro Key layout customization
The 209 key layout can be altered: users can move functions between keys as they please. Settings are firmware-saved, so they apply even if the keyboard is moved to a different computer.
Pro Rechargeable
And it can operate while charging!
Pro Premium build
Steel, keys mechanism, everything feels like a top of the notch product.
Pro Wireless keyboard with automatic backlight
There are not many products that propose both wireless and backlighting. Plus on the K810 backlight is handled automatically, and it's working like a charm.
Pro Shortcuts
Home/End/PageUp/PageUp with Fn+arrow, contextual menu with Fn+Right Ctrl, etc. The keyboard is small but not a key is missing.
Pro Compact format
Perfect to gain a lot of space on your desk.
Cons
Con Price
But no other keyboard has all of the K810 qualities.