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Product Details

Couch-Optimized Keyboard with Integrated Touchpad

Logitech’s K400 Plus pairs a compact, consumer-focused keyboard with an integrated touchpad and media hotkeys to deliver an intuitive living-room control experience. The tiny Unifying receiver provides reliable 2.4 GHz wireless coverage up to 33' so you can operate a TV-connected PC without leaving the sofa. Plug-and-play compatibility makes setup effortless, and optional Logitech software allows customization for users who want deeper control. Long battery life (up to 18 months on 2×AA) ensures hassle-free day-to-day use.

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Integrated Touchpad
Large built-in touchpad replaces the need for a separate mouse — ideal for media navigation from the couch.
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Reliable Wireless
2.4 GHz Unifying receiver delivers low-latency connections and broad 10 m / 33' coverage for living-room setups.
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Long Battery Life
Powered by two AA batteries — typical usage yields up to 18 months of battery life, minimizing maintenance.
Integrated
Touchpad
Built-in trackpad for cursor control
33'
Wireless Range
Up to 10 m (typical)
18 mo
Battery Life
2× AA (typical)
Windows • Android • Chrome OS
Compatibility
Plug-and-play with optional software customization

Core Capabilities

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Plug-and-Play Simplicity

Insert the Unifying receiver into a USB-A port on your TV-connected PC and get immediate control — no drivers required. For users who want bespoke behavior, Logitech Options is available as an optional software layer.

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Couch-to-TV Navigation

Designed for living-room use: compact layout and an integrated touchpad put media playback, web browsing and lightweight productivity at your fingertips from the sofa.

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Dedicated Hotkeys

Built-in hotkeys for Windows and Android — Mute, Volume Down/Up, Connect and Power On/Off — provide immediate media control. Customize further with optional Logitech software.

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Efficient, Low-Maintenance Design

Durable plastic construction, straightforward key action and ultra-long battery life reduce upkeep and maximize usable time between battery changes.

Key Features

📶
Wireless 2.4 GHz Connection
Unifying receiver provides a reliable, low-latency link ideal for media streaming and casual computing.
Plug & Play
🖱️
Integrated Touchpad
Large built-in touchpad eliminates the need for a separate mouse in living-room setups.
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Built-In Hotkeys
Media and system hotkeys for Windows and Android allow fast volume and playback control.
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Up to 18-Month Battery
Long-lasting battery life powered by two AA batteries keeps the keyboard ready for long-term use.
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Multi-Platform Compatibility
Works across Windows, Android and Chrome OS with full functionality for casual computing and media control.
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Compact, Durable Construction
Slim profile and robust plastic build are optimized for relaxed environments and repeated living-room use.

Technical Specifications

General
ModelLogitech K400 Plus
ColorGray
MaterialPlastic
Dimensions14 × 5.5 × 0.9" / 35.6 × 14 × 2.3 cm
Weight0.9 lb / 390 g
Connectivity
Wireless2.4 GHz Radio / RF (Unifying Receiver)
Host ConnectionUSB-A (Unifying Receiver)
Built-In ControlIntegrated Touchpad
Maximum RangeUp to 33' / 10 m (typical)
Keyboard & Battery
Mechanical SwitchNo (membrane key action)
LED IlluminationNo
Wrist RestNo
Battery2 × AA
Maximum Battery LifeUp to 18 months (typical)
Compatibility & Software
Full-Functionality OS SupportAndroid, Chrome OS, Windows
Optional SoftwareLogitech Options (customization)
HotkeysMute, Volume Down/Up, Connect, Power On/Off
Packaging & UPC
Package Weight1.15 lb
Box Dimensions15.15 × 6.15 × 1.25"
UPC097855115300

What's in the Box

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Logitech K400 Plus Wireless Touch Keyboard
Complete living-room keyboard kit with integrated touchpad and Unifying receiver for immediate setup.
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Unifying Receiver
Tiny USB-A receiver for wireless connectivity.
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2 × AA Batteries
Included for immediate use; typical battery life up to 18 months.
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Limited 1-Year Manufacturer Warranty
Manufacturer warranty covering defects in materials and workmanship.

Effortless Living-Room Control

The Logitech K400 Plus is purpose-built for relaxed, media-centric computing. Its integrated touchpad, long-range Unifying wireless and plug-and-play simplicity make it the ideal companion for TV-connected PCs and casual productivity environments. Minimal setup and extended battery life ensure it stays out of the way while keeping control close at hand.

Unifying Receiver • USB-A Integrated Touchpad Up to 18-Month Battery UPC: 097855115300

Included in the Box