Logitech® K780 Bluetooth Multi-Device Keyboard-DARK GREY/SPECKLED WHITE/ENG

Part No: 920-008042

The K780 Multi-Device is a fully-equipped, beautifully finished computer keyboard with numbers pad, which also works perfectly with smartphones and tablets.
Enjoy comfortable silent typing, switching easily between all the devices you enter text on.* Works with PC, Mac, Chrome OS, Android and iOS.


    Type a report on your computer, then type a message on your phone or tablet at the touch of an Easy-Switch button.

    Compatible with Windows®, Mac, Android and iOS (iPhone and iPad), this universal keyboard recognizes the type of device that’s connected so that all the keys are exactly where you expect them to be.


    Silent, smooth and familiar typing with Logitech PerfectStroke™ key system.

    Solid build with large, carefully crafted, concave keys, a convenient numbers pad, and all your favorite shortcut keys.

    Powerful wireless connection with 10m/30ft range and 128-bit AES encryption between the keyboard and the connected device.


    Carefully holds a variety of devices from smartphones to 12″ iPad Pro at a comfortable reading angle and within reach.*

    Keeps your desk space clean and clutter free.

    *Most phones and tablets up to 11.3 mm (0.4 inches) thick. 12” tablets in landscape mode only.


    Long battery life of 24 months from two pre-installed AAA batteries, with auto-sleep, on/off button and a battery status light.*

    Comes with two options for wireless connection: Logitech Unifying USB receiver or Bluetooth® Smart technology.

    *Battery life calculation based on an estimated two million keystrokes/year in an office environment. User experience may vary.


    • Height x Width x Depth: 158 mm x 380 mm x 8 mm at front, 22 mm at back
    • Weight: 875 g

    System Requirements

    Computers, phones, and tablets that support external keyboards:

    Windows® 7, Windows 8, Windows 10 or later

    Android™ 5.0 or later

    Mac OS X 10.10 or later

    iOS 5 or later

    Chrome OS™

    USB connection: available USB port required.

    Bluetooth connection: Bluetooth Smart ready device with keyboard support required (HID profile).

    Technical Specifications

    Connection Type:

    Logitech Unifying protocol (2.4GHz)
    Bluetooth Smart technology

    Wireless Range: >33 ft / 10m wireless range*
    * Wireless range may vary due to environmental and computing conditions.

    Wireless encryption: 128-bit AES encryption between the keyboard and the connected device

    Software Support:

    Logitech Options for Mac (OS X 10.8 and above)
    Logitech Options for Windows (Windows 7, Windows 8 and above)

    Apps available (at release): Logitech Options 2.1

    Indicator Lights (LED):

    3 Bluetooth channel LEDs
    Battery indicator light Logitech

    Battery: 2 x AAA

    Battery Life (not rechargeable): 24 months

    Special Keys:

    Hotkeys (e.g. Home, Search, Back, App-Switch and Contextual Manu), Easy-Switch

    Connect/Power: On/Off Switch

    Tablet Cover and Stand:

    Supports most smartphones and tablets with thickness up to 11.3mm, in portrait or landscape mode. iPad Pro (12.9″) in landscape mode only.

    Package Contents

    2 AAA batteries (pre-installed)
    USB receiver
    User documentation

    Warranty Information

    1-Year Limited Hardware Warranty