Enjoy exceptional typing on your computer, smartphone, and tablet -- all from one fully equipped and beautifully finished keyboard. The K780 Multi-Device redefines what a desktop keyboard can do, letting you switch typing easily between all the devices you enter text on.* It connects to three devices at once so you can write an email on your computer, then reply to a message on your phone with the same keyboard, at the touch of an Easy-Switch™ button.
Enjoy comfortable, fluid typing on quiet PerfectStroke™ keys. It works with Windows, Mac, Android and iOS and features an integrated rubber cradle to hold your mobile device at a perfect angle and within reach. Choose to connect with a Logitech Unifying™ USB receiver or Bluetooth Smart technology. Two year battery life from two pre-installed AAA batteries.
*USB-equipped or Bluetooth® Smart ready device that supports an external keyboard (HID profile).
| System requirements |
| Windows operating systems supported | Windows 10, Windows 11 |
| Mac compatibility | Yes |
| Mac operating systems supported | Mac OS X 10.14 Mojave, Mac OS X 10.15 Catalina, Mac OS X 10.15.3 Catalina, Mac OS X 11.0 Big Sur, Mac OS X 12.0 Monterey |
| Mobile operating systems supported | iPadOS, iOS 11.0, iOS 11.4, iOS 12, iOS 13, iOS 14.5, Android 7.0, Android 7.1, Android 7.1.2, Android 8.0, Android 9.0, Android 10.0, Android 10 |
| Other operating systems supported | ChromeOS |
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| Weight & dimensions |
| Keyboard dimensions (WxDxH) | 380 x 22 x 158 mm |
| Keyboard weight | 875 g |
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| Power |
| Power source type | Battery |
| Keyboard battery type | AAA |
| Number of batteries (keyboard) | 2 |
| Battery technology | Alkaline |
| Battery capacity | 1000 mAh |
| Auto power off | Yes |
| Service life of battery | 24 month(s) |
| Rechargeable | Yes |
| Battery type | AAA |
| Number of batteries supported | 4 |
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| Operational conditions |
| Operating temperature (T-T) | 0 - 40 °C |
| Storage temperature (T-T) | -40 - 60 °C |
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| Keyboard |
| Recommended usage | Universal |
| Device interface | RF Wireless + Bluetooth |
| Keyboard layout | QWERTY |
| Keyboard language | English |
| Pointing device | No |
| Keyboard form factor | Full-size (100%) |
| Numeric keypad | Yes |
| Keyboard number of keys | 107 |
| Keyboard keys operating life | 10 million characters |
| Hot keys | Yes |
| Number of hot keys | 9 |
| Connectivity technology | Wireless |
| USB hub | No |
| Purpose | Universal |
| Fingerprint reader | No |
| Key travel distance | 2.2 mm |
| Frequency band | 2.4 GHz |
| Key pitch | 1.9 cm |
| Silent keys | Yes |
| Noise level | 45 dB |
| Keyboard keys technology | Scissor |
| On/off switch | Yes |
| Certification | CE, FCC, CB |
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| Packaging data |
| Receiver included | Yes |
| Wireless receiver interface | USB Type-A |
| Receiver type | Unifying receiver |
| Unifying receiver | Yes |
| Batteries included | Yes |
| User guide | Yes |
| Package width | 169 mm |
| Package depth | 400 mm |
| Package height | 33 mm |
| Package weight | 1.08 kg |
| Package volume | 2231 cm³ |
| Package type | Box |
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| Other features |
| Internal | No |
| Channels quantity | 3 channels |
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| Design |
| Backlight | No |
| Product colour | Grey, White |
| Keyboard style | Straight |
| Full-size keyboard | Yes |
| Wrist rest | No |
| Material | Metal, Plastic, Rubber |
| LED indicators | Battery |
| Battery LED indicator | Yes |
| Mean time to failure (MTTF) | 150000 h |
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| Mouse |
| Mouse included | No |
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| Features |
| Wireless range | 10 m |
| Plug and Play | Yes |
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| Logistics data |
| Harmonized System (HS) code | 84716060 |
| Master (outer) case width | 274 mm |
| Master (outer) case length | 410 mm |
| Master (outer) case height | 185 mm |
| Master (outer) case gross weight | 9.2 kg |
| Master (outer) case volume | 20800 cm³ |
| Products per pallet | 528 pc(s) |
| Products per intermodal container (20ft) | 10752 pc(s) |
| Products per intermodal container (40ft) | 22272 pc(s) |
| Products per intermodal container (40ft, HC) | 25984 pc(s) |
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