# Logitech K400 Plus

> wireless keyboard model with trackpad

**Wikidata**: [Q106727147](https://www.wikidata.org/wiki/Q106727147)  
**Source**: https://4ort.xyz/entity/logitech-k400-plus

## Summary
The Logitech K400 Plus is a wireless keyboard model with an integrated touchpad, designed for use with TV-connected PCs. It features a compact membrane keyboard layout without a numeric keypad and is powered by two AA batteries.

## Key Facts
- The Logitech K400 Plus is a wireless keyboard model with an integrated touchpad, manufactured by Logitech.
- It weighs 390 grams (with battery) and measures 354.3 mm in width, 139.9 mm in height, and 23.5 mm in depth.
- The device is powered by two AA batteries and includes a touchpad measuring 76 mm × 47 mm.
- It features volume control and a mute button, but does not include a numeric keypad.
- The model number is Y-R0055 and it is classified as a membrane keyboard and wireless keyboard.
- The Logitech K400 Plus is the successor to the Logitech K400 model.
- It is described as a computer keyboard model and is part of Logitech's product line as a Swiss global provider of peripherals.

## FAQs
### Q: What is the Logitech K400 Plus?
A: The Logitech K400 Plus is a wireless keyboard with an integrated touchpad, designed for use with TV-connected PCs. It features a compact layout without a numeric keypad and is powered by two AA batteries.

### Q: What are the dimensions of the Logitech K400 Plus?
A: The Logitech K400 Plus measures 354.3 mm in width, 139.9 mm in height, and 23.5 mm in depth.

### Q: What type of keyboard is the Logitech K400 Plus?
A: The Logitech K400 Plus is a membrane keyboard, which is a type of computer keyboard that uses a membrane layer to register key presses.

## Why It Matters
The Logitech K400 Plus represents a practical solution for users seeking a compact, all-in-one input device for TV-connected PCs. By integrating a touchpad directly into the keyboard, it eliminates the need for a separate mouse, making it ideal for living room setups where space is limited. Its wireless design and long battery life enhance convenience, while the absence of a numeric keypad reduces the overall footprint, making it easier to handle from a couch or chair. As part of Logitech's broader ecosystem of peripherals, the K400 Plus exemplifies the company's focus on user-friendly, space-saving technology that bridges the gap between traditional computing and home entertainment.

## Notable For
- Integrated touchpad: Combines keyboard and pointing device in a single unit, eliminating the need for a separate mouse.
- Compact design: Lacks a numeric keypad, making it more portable and suitable for TV-connected setups.
- Wireless connectivity: Offers freedom of movement and a clutter-free workspace.
- Long battery life: Powered by two AA batteries, providing extended usage without frequent replacements.
- TV-optimized: Specifically designed for use with PCs connected to televisions, enhancing the living room computing experience.

## Body
### Design and Features
The Logitech K400 Plus is a wireless keyboard that integrates a touchpad, making it a versatile input device for TV-connected PCs. Its compact design omits the numeric keypad, reducing its overall size and weight to 390 grams. The keyboard measures 354.3 mm in width, 139.9 mm in height, and 23.5 mm in depth, making it easy to handle and store.

### Touchpad and Controls
The integrated touchpad measures 76 mm × 47 mm and supports multi-touch gestures, allowing users to navigate their PC interface without a separate mouse. The keyboard also includes dedicated volume control and a mute button for quick audio adjustments, enhancing its usability in a home entertainment setting.

### Power and Connectivity
The K400 Plus is powered by two AA batteries, which provide a long battery life suitable for extended use. It connects wirelessly to the PC, offering users the freedom to control their device from a distance, such as from a couch or chair.

### Classification and Compatibility
As a membrane keyboard, the K400 Plus uses a membrane layer to register key presses, which is a common and cost-effective technology in modern keyboards. It is classified as both a wireless keyboard and a membrane keyboard, making it compatible with a wide range of devices and use cases.

### Model Information
The model number for the Logitech K400 Plus is Y-R0055. It is the successor to the Logitech K400 model, indicating an evolution in design and functionality. The device is part of Logitech's extensive product line, which includes a variety of peripherals for computing and entertainment.

### Use Cases
The K400 Plus is particularly well-suited for use with PCs connected to televisions, where a compact, all-in-one input device is advantageous. Its wireless design and integrated touchpad make it ideal for navigating media interfaces, browsing the web, or controlling presentations from a distance.

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## References

1. [Logitech K400 Plus Touchpad Keyboard for TV connected PC. Logitech](https://www.logitech.com/en-us/shop/p/k400-plus-touchpad-keyboard.920-007119)
2. [Wireless Touch Keyboard K400 Plus Technical Specifications. Logitech](https://support.logi.com/hc/en-us/articles/360023464113-Wireless-Touch-Keyboard-K400-Plus-Technical-Specifications)