Logitech K780 Frequently Asked Questions

o Garage door openers
Try to rule out these and other possible problem sources that might be affecting your keyboard.
Keyboard frequently loses connection
If your keyboard frequently stops working and you keep having to reconnect it, try these
suggestions:
 Keep other electrical devices at least 8 inches (20 cm) away from the keyboard
 Move the keyboard closer to the computer or tablet
Before reconnecting your keyboard
Before you try to connect your keyboard again:
1. Check the battery power by turning the keyboard off and then back on again using the
ON/OFF switch on the bottom of the keyboard. Notice the LED indicator color to the left
of the ON/OFF switch. If the LED indicator is red, the batteries need to be replaced.
2. Try using the Windows key or type something to verify it's working.
3. If it's still not working, follow the link below to reconnect your keyboard.
Reconnect your keyboard
To reconnect your keyboard, please follow the steps for your specific operating system in
Connect your Logitech Bluetooth device.
 +Switch devices with the K780 keyboard
After you’ve connected up to three devices with your keyboard, you can switch between them
when you press one of the Easy-Switch buttons.
The button's status light slowly blinks before turning solid for 5 seconds to confirm your
selection. The keyboard is then ready to use with your device.
NOTE: Make sure the device's Bluetooth connection is enabled before you switch to that device.
 +K780 keyboard battery life and replacement

Logitech K780 Specifications

General

Purpose	Universal
Hot keys	Yes
Key pitch	19 mm
Noise level	45 dB
Certification	CE, FCC, CB
Frequency band	2.4 GHz
Keyboard layout	QWERTZ
Pointing device	No
Device interface	RF Wireless + Bluetooth
Keyboard language	Swiss
Number of hot keys	9
Key travel distance	2.2 mm
Keyboard key switch	-
Keyboard form factor	Full-size (100%)
Connectivity technology	Wireless
Keyboard number of keys	107
Keyboard keys technology	Scissor
Keyboard keys operating life	10 million characters
Battery capacity	1000 mAh
Power source type	Battery
Battery technology	Alkaline
Keyboard battery type	AAA
Service life of battery	24 month(s)
Number of batteries supported	4
Number of batteries (keyboard)	2
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
Other operating systems supported	ChromeOS
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
Windows operating systems supported	Windows 10, Windows 11
Wireless range	10 m
Material	Metal, Plastic, Rubber
Product color	Grey, White
Keyboard style	Straight
Mean time to failure (MTTF)	150000 h
Package type	Box
Package depth	400 mm
Package width	169 mm
Package height	33 mm
Package volume	2231 cm³
Package weight	1084 g
Wireless receiver interface	USB Type-A
Quantity per pallet	528 pc(s)
Master (outer) case width	274 mm
Master (outer) case height	185 mm
Master (outer) case length	410 mm
Master (outer) case volume	20800 cm³
Master (outer) case weight	9200 g
Harmonized System (HS) code	84716060
Master (outer) case GTIN (EAN/UPC)	50992060649617
Quantity per intermodal container (20ft)	10752 pc(s)
Quantity per intermodal container (40ft)	22272 pc(s)
Quantity per intermodal container (40ft, HC)	25984 pc(s)
Storage temperature (T-T)	-40 - 60 °C
Operating temperature (T-T)	0 - 40 °C
Channels quantity	3 channels

Weight and Dimensions

Keyboard weight	875 g
Keyboard dimensions (WxDxH)	380 x 22 x 158 mm