Logitech MX Keys vs Logitech MX Keys S

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MX Keys compared with MX Keys S

	LogitechMX Keys	LogitechMX Keys S
Overview
Released
Released	September 2019	June 2023
Typing
Layout
Layout	Full size	Full size
Switches
Switches	Scissor	Scissor
Key travel
Key travel	1.8 mm	1.8 mm
Backlight
Backlight	White	White
Automatic backlight
Automatic backlight	Yes	Yes
Keys labelled for
Keys labelled for	Mac, Windows and more	Mac, Windows and more
Touch ID
Touch ID	No	No
Switches
Switches	Scissor switches with 60 g actuation force, rated for 10 million keystrokes (function keys 5 million)	Scissor switches with 60 g actuation force, rated for 10 million keystrokes (function keys 5 million)
Keycaps
Keycaps	Spherically dished keys with a matte coating; MX Keys for Mac has Mac-only laser-printed legends	Spherically dished keys shaped for fingertips
Layouts
Layouts	MX Keys for Mac in English UK, Danish/Norwegian/Swedish/Finnish, French, German, Italian, Spanish and Swiss (UK store)	English UK, English International, Belgian, Croatian/Slovenian, Czech/Slovakian, Danish/Norwegian/Swedish/Finnish, French, German, Hebrew, Italian, Portuguese, Spanish, Swiss, Ukrainian (UK store); MX Keys S for Mac in English UK, English International, French, German and Swiss
Backlight
Backlight	A hand proximity sensor turns it on and an ambient light sensor sets the level; eight levels; stays off in bright rooms (over 200 lux) and below 10% battery	A hand proximity sensor turns it on and an ambient light sensor sets the level; seven levels; stays off in bright rooms and below 10% battery; duration and brightness adjustable in Logi Options+
Special keys
Special keys	Easy-Switch keys; Fn + Esc swaps media keys and F-keys; legends for both Windows and Mac (a Mac layout with an Eject key on MX Keys for Mac)	Dictation, emoji and microphone mute/unmute keys in the F row; Easy-Switch keys; Fn + Esc swaps media keys and F-keys; legends for both Windows and Mac (a Mac layout on MX Keys S for Mac)
Connections and battery
Connects by
Connects by	Bluetooth and USB receiver	Bluetooth and USB receiver
Devices it switches between
Devices it switches between	3	3
Power
Power	Rechargeable	Rechargeable
Battery life (maker's claim)
Battery life (maker's claim)	Up to 5 months	Up to 5 months
With the backlight on
With the backlight on	Up to 10 days	Up to 10 days
Receiver
Receiver	Logitech Unifying USB receiver included with both versions	Logi Bolt USB receiver included (not compatible with other Logitech receivers); MX Keys S for Mac has none in the box but works with one, which Logitech advises for Macs with FileVault on
Battery life detail
Battery life detail	Rechargeable 1500 mAh battery; Logitech quotes 10 days with backlighting or 5 months with it off	Rechargeable 1500 mAh Li-Po; Logitech quotes up to 10 days with its default backlight settings or up to 5 months with backlighting off
Charging
Charging	USB-C port at the top right; usable while charging; USB-A to USB-C cable (USB-C to USB-C with MX Keys for Mac)	USB-C port at the top right; usable while charging; USB-A to USB-C cable (USB-C to USB-C with MX Keys S for Mac)
Works with
Works with	At launch, Bluetooth with Windows 8 or 10, macOS 10.13 or later, iOS 9 or later, Android 6 or later and Linux, and Unifying with Windows 7, 8 or 10, macOS 10.13 or later, Android 6 or later and Linux; MX Keys for Mac lists macOS 10.15 or later, iOS 13.4 or later and iPadOS 14 or later	Bluetooth with Windows 10, 11 or later, macOS 10.15 or later, iPadOS 14 or later, Android 8.0 or later, Linux and ChromeOS; Logi Bolt with Windows 10, 11 or later, macOS 10.15 or later, Linux and ChromeOS; MX Keys S for Mac lists macOS 10.15 or later, iOS 14 or later and iPadOS 14 or later
Software
Software	Logitech Options at launch, now Logi Options+ (Windows and macOS); Logitech Flow with a Flow-enabled Logitech mouse	Logi Options+ (Windows and macOS) for Smart Actions, key customisation and backlight settings; Logitech Flow with a Flow-enabled Logitech mouse
Design
Weight
Weight	810 g	810 g
Width × depth × height
Width × depth × height	430.2 × 131.63 × 20.5 mm	430.2 × 131.63 × 20.5 mm
Materials
Materials	–	Low-carbon aluminium key-module bracket; plastic parts include 26% (Graphite, Space Gray) or 11% (Pale Gray) certified post-consumer recycled plastic
Colours
Colours	MX Keys for Mac in Space Gray	Graphite, Pale Gray (UK store; Black also sold in the US); MX Keys S for Mac in Space Gray and Pale Grey
In the box
In the box	Keyboard, Unifying USB receiver, USB-C charging cable, documentation	Keyboard, Logi Bolt USB receiver, USB-A to USB-C charging cable, documentation (also sold with MX Palm Rest); MX Keys S for Mac comes with a USB-C to USB-C cable and no receiver
Warranty
Warranty	2-year limited hardware warranty (UK)	2-year limited hardware warranty (UK)