Logitech K780 Multi-Device Wireless Keyboard
Category: Keyboards
Key specschecked 2026-10-17
- Connection
- Logitech Unifying protocol (2.4 GHz), Bluetooth Smart technology
- Layout
- Compact form factor with built-in numpad and integrated cradle
- Battery
- 2 x AAA (included)
Where to buy
Specifications
Each value below was read from Logitech's own pages (checked 2026-10-17); the Source column links to that page.
| Spec | Value | Source |
|---|---|---|
| Layout | Compact form factor with built-in numpad and integrated cradle | logitech.com |
| Connection | Logitech Unifying protocol (2.4 GHz), Bluetooth Smart technology | logitech.com |
| Multi device | 3 | logitech.com |
| Wireless range | >33 ft / 10m wireless range | logitech.com |
| Battery | 2 x AAA (included) | logitech.com |
| Battery life | 18 months | logitech.com |
| Switch lifespan | Up to 10 million keystrokes | logitech.com |
| Height | 6.22 in (158 mm) | logitech.com |
| Width | 14.96 in (380 mm) | logitech.com |
| Depth | 0.31 in (8 mm) at front, 0.87 in (22 mm) at back | logitech.com |
| Weight | 30.86 oz (875 g) | logitech.com |
How it compares in Keyboards
A count of the checked models that state a comparable value, from the same values as the table above. It is not a score.
- Weight 30.86 oz (875 g) — Lighter than 9 of 28 other checked models
- Multi device 3 — Pairs with more devices than 1 of 21 other checked models; level with 17
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