The Logitech® Wireless Touch Keyboard K400 Plus lets you experience PC-to-TV entertainment the way you Watch video, browse the web, chat with friends and much more. The all-in-one keyboard with touchpad ends the hassle and clutter of multiple devices. And a 10-meter (33-foot)¹ wireless range ensures your fun won t be interrupted. Comfortable, quiet keys and a large (3.5-inch) touchpad make navigating entertainment effortless. Even setup is a snap thanks to the tiny, plug-and-play Unifying receiver. The 18-month² battery life means you might even forget the keyboard needs batteries. 1 Wireless range may vary depending on operating environment and computer setup. ² Assumes up to two hours typing per day. Actual battery life will vary with use, settings and environmental conditions.
| Keyboard | |
| Recommended usage: | Universal |
| Device interface: | RF Wireless |
| Keyboard layout: | AZERTY |
| Keyboard language: | French |
| Pointing device: | Touchpad |
| Keyboard form factor: | Full-size (100%) |
| Numeric keypad: | ![]() |
| Keyboard keys operating life: | 5 million characters |
| Windows keys: | ![]() |
| Hot keys: | ![]() |
| Connectivity technology: | Wireless |
| USB hub: | ![]() |
| Purpose: | Universal |
| Fingerprint reader: | ![]() |
| Frequency band: | 2.4 GHz |
| Silent keys: | ![]() |
| Noise level: | 55 dB |
| On/off switch: | ![]() |
| Design | |
| Backlight: | ![]() |
| Product colour: | Black |
| Keyboard style: | Straight |
| Wrist rest: | ![]() |
| Features | |
| Wireless range: | 10 m |
| Plug and Play: | ![]() |
| Power | |
| Power source type: | Battery |
| Number of batteries (keyboard): | 2 |
| Battery technology: | Alkaline |
| Battery capacity: | 2000 mAh |
| Service life of battery: | 18 month(s) |
| Battery type: | AA |
| Number of batteries supported: | 2 |
| Mouse | |
| Mouse included: | ![]() |
| Mouse battery type: | AA |
| Mouse battery life: | 18 month(s) |
| System requirements | |
| Windows operating systems supported: | Windows 10, Windows 11 |
| Mobile operating systems supported: | Android 7.0, Android 7.1, Android 7.1.2, Android 8.0, Android 9.0, Android 10.0, Android 10 |
| Other operating systems supported: | ChromeOS |
| Weight & dimensions | |
| Keyboard dimensions (WxDxH): | 354.3 x 23.5 x 139.9 mm |
| Keyboard weight: | 390 g |
| Touchpad width: | 4.7 cm |
| Touchpad height: | 7.6 cm |
| Packaging data | |
| Receiver included: | ![]() |
| Wireless receiver interface: | USB Type-A |
| Receiver type: | Unifying receiver |
| Unifying receiver: | ![]() |
| Batteries included: | ![]() |
| User guide: | ![]() |
| Package width: | 31 mm |
| Package depth: | 370 mm |
| Package height: | 153 mm |
| Package weight: | 530 g |
| Package type: | Box |
| Logistics data | |
| Harmonized System (HS) code: | 84716060 |
| Master (outer) case GTIN (EAN/UPC): | 50992060592715 |
| Master (outer) case width: | 171 mm |
| Master (outer) case length: | 379 mm |
| Master (outer) case height: | 321 mm |
| Master (outer) case gross weight: | 5.76 kg |
| Products per pallet: | 780 pc(s) |
| Products per intermodal container (20ft): | 14280 pc(s) |
| Products per intermodal container (40ft): | 29400 pc(s) |
| Products per intermodal container (40ft, HC): | 33600 pc(s) |
| Other features | |
| Internal: | ![]() |