# Logitech K400

> wireless keyboard model with touchpad

**Wikidata**: [Q136086846](https://www.wikidata.org/wiki/Q136086846)  
**Source**: https://4ort.xyz/entity/logitech-k400

## Summary
Logitech K400 is a wireless computer keyboard model manufactured by Logitech that integrates a built-in touchpad. It is a compact, 75% form-factor keyboard designed without a numeric keypad and is followed by the Logitech K400 Plus.

## Key Facts
- Manufacturer/Brand: Logitech.  
- Product type: Wireless computer keyboard model with integrated touchpad.  
- Mass: 431 grams.  
- Form factor: 75% keyboard.  
- Dimensions: width 155.7 mm; height 24.9 mm; horizontal depth 380.5 mm.  
- Does not include a numeric keypad.  
- Retail price (point in time): US$39.99 (September 2014).  
- Followed by: Logitech K400 Plus.  
- Parts: contains a touchpad.  
- Documentation: Quick start/user manual — https://www.logitech.com/assets/42364/k400-quick-start-guide.pdf.  
- Identifiers: pcpartpicker_product_id 9BK7YJ.  
- Commons category / image: https://commons.wikimedia.org/wiki/Special:FilePath/German_Keyboard_-_Deutsch_Layout_-_Logitech_Wireless_(53074568475).jpg

## FAQs
### Q: Does the Logitech K400 include a touchpad?
A: Yes. The Logitech K400 contains an integrated touchpad as part of the device.

### Q: Is the Logitech K400 a wireless keyboard?
A: Yes. The K400 is a wireless keyboard model (subclass: wireless keyboard) and has wireless capabilities.

### Q: Does the Logitech K400 have a numeric keypad?
A: No. The Logitech K400 does not include a numeric keypad.

### Q: What succeeded the Logitech K400?
A: The Logitech K400 Plus is listed as the product that followed the K400.

## Why It Matters
The Logitech K400 combines a compact keyboard layout with a built-in touchpad, consolidating typing and pointing into a single wireless peripheral. This combination reduces the need for a separate pointing device and offers a smaller footprint by using a 75% form factor and omitting a numeric keypad. As a documented model in Logitech’s lineup, the K400 represents an approach to input devices that emphasizes space efficiency and integrated control. Its documented retail price (US$39.99 as of September 2014) and available quick-start manual reflect an established consumer product with official support material. The K400’s successor, the K400 Plus, indicates the model’s place in Logitech’s product evolution.

## Notable For
- Integrated touchpad on a compact wireless keyboard.  
- 75% keyboard form factor while omitting a separate numeric keypad.  
- Documented mass of 431 grams and compact physical dimensions (155.7 mm × 24.9 mm × 380.5 mm horizontal depth).  
- Positioned in Logitech’s product line and succeeded by the Logitech K400 Plus.  
- Available official quick-start/user manual and media (Commons image).

## Body

### Overview
- Product name: Logitech K400 (aliases: K400; Wireless Touch Keyboard K400; Logitech Wireless Touch Keyboard K400).  
- Instance of: computer keyboard model.  
- Subclass of: wireless keyboard.  
- Manufacturer/brand: Logitech.

### Physical specifications
- Mass: 431 g.  
- Width: 155.7 mm.  
- Height: 24.9 mm.  
- Horizontal depth: 380.5 mm.  
- Form factor: 75% keyboard.  
- Numeric keypad: not included.

### Features and components
- Integrated touchpad is a listed part of the device.  
- Wireless capabilities: the device is categorized as having wireless capabilities.  
- Design emphasizes a compact footprint by combining typing and pointing functions.

### Documentation and media
- Quick start / user manual (multi-language qualifiers listed): https://www.logitech.com/assets/42364/k400-quick-start-guide.pdf.  
- Commons category / product image: https://commons.wikimedia.org/wiki/Special:FilePath/German_Keyboard_-_Deutsch_Layout_-_Logitech_Wireless_(53074568475).jpg.  
- Commons category: Logitech K400.

### Product lineage and identifiers
- Followed by product: Logitech K400 Plus.  
- pcpartpicker_product_id: 9BK7YJ.  
- Listed retail price: US$39.99 (point in time: September 2014).

### Classification
- Instance of computer keyboard model.  
- Subclass of wireless keyboard.  
- Contains part: touchpad.  
- Does not have part: numeric keypad.

## Schema Markup
```json
{
  "@context": "https://schema.org",
  "@type": "Thing",
  "name": "Logitech K400",
  "description": "A wireless computer keyboard model manufactured by Logitech that integrates a built-in touchpad.",
  "url": "https://www.logitech.com/assets/42364/k400-quick-start-guide.pdf",
  "sameAs": [
    "https://commons.wikimedia.org/wiki/Special:FilePath/German_Keyboard_-_Deutsch_Layout_-_Logitech_Wireless_(53074568475).jpg"
  ],
  "additionalType": "computer keyboard model"
}

## References

1. Logitech Business Product Catalog: Fall/Winter 2014