Logitech MX Keys S
2 min read

Advanced wireless illuminated keyboard with multi-device pairing, proximity-activated backlighting, and programmable keys via Logi Options+.
Specifications
| Property | Value |
|---|---|
| Layout | Full-size with numpad |
| Key switch | Scissor mechanism |
| Key travel | 1.8 mm |
| Dimensions | 430.2 × 131.6 × 20.5 mm |
| Weight | ~810 g |
| Colors | Graphite, Pale Gray |
| Charging | USB-C |
| Battery life (backlit) | Up to 10 days |
| Battery life (no backlight) | Up to 5 months |
| Full charge time | ~4 hours |
| Wireless | Bluetooth Low Energy 5.0 / Logi Bolt USB receiver (2.4 GHz) |
| Paired devices | Up to 3 (Easy-Switch button to cycle) |
| Wireless range | Up to 10 m |
| OS compatibility | Windows 10+, macOS 10.15+, Linux, iPadOS 14+, iOS 14+, Android 5+, Chrome OS |
| Software | Logi Options+ |
| Switch durability | Standard keys: 10 million keypresses · Function keys: 5 million keypresses |
Connectivity
• Bluetooth LE 5.0 — pair up to 3 devices simultaneously; switch between them with the Easy-Switch button (1 / 2 / 3 keys in top-right corner)
• Logi Bolt USB receiver — 2.4 GHz, included in the box; more stable in RF-congested environments than standard Bluetooth
• Both connection methods can be used at the same time across different paired slots
Backlighting
• Per-key white LED backlighting
• Proximity sensing — backlight activates automatically when hands approach the keyboard
• Ambient light sensor — brightness adjusts automatically to match the environment
• Customizable brightness and timeout duration via Logi Options+
• Backlight off = up to 5 months battery life; max brightness = ~10 days
Keys & Layout
• Spherically-dished keycaps — concave shape cradles fingertips to reduce typos and noise
• Full-size layout with integrated numpad
• F-row doubles as media/function keys; toggle via Fn lock
• Dedicated smart keys above the numpad for app-specific shortcuts (configurable in Logi Options+)
• Low-profile scissor switches — quieter and more stable than standard membrane
In the Box
• MX Keys S keyboard
• Logi Bolt USB receiver
• USB-C charging cable (USB-A to USB-C)