Logitech SIGNATURE K855  Mechanical Wireless Keyboard Graphite 
Dimensions
Height: 138.8 mm
Width: 355.2 mm
Depth: 38.8 mm
Weight (with batteries): 692.4 g
Technical Specifications
Keyboard
Connection Type: Bluetooth Low Energy Wireless (Bluetooth 5.1)
Wireless range: 10 m 1Wireless range may vary based on user, environmental, and computing conditions.
Mechanical switches: Red (linear)
Easy-Switch: Connect up to three devices and easily switch between them
Battery life: up to 36 months 2Battery life may vary based on use and computing conditions.
Indicator lights: on Caps Lock, Easy-Switch keys and Battery.
Optional software: Supported by Logitech Options+ on macOS 10.15 or later and Windows® 10, Windows 11 or later
Customization app
Supported by Logi Options+ on Windows and macOS, Compatible with Logitech Flow technology-enabled mouse 3Requires Logi Options+ app available on Windows and macOS at logitech.com/optionsplus
Logitech Flow
Compatible with Logitech Flow-enabled mouse
Sustainability
Graphite plastics: 52% post-consumer recycled material 4Excludes receiver, printed wiring assembly (PWA), and packaging
Off-white plastics: 40% post-consumer recycled material 5Excludes receiver, printed wiring assembly (PWA), and packaging
Blue plastics: 36% post-consumer recycled material 6Excludes receiver, printed wiring assembly (PWA), and packaging
Rose plastics: 38% post-consumer recycled material 7Excludes receiver, printed wiring assembly (PWA), and packaging
Topcase: Low carbon aluminium
Paper Packaging: FSC™-certified
Certified carbon neutral
Warranty Information
1-Year Limited Hardware Warranty