Logitech Wireless Touch Keyboard K400 Plus

Control at the comfort of your couch

The Logitech Wireless Touch Keyboard K400 Plus is an ultra-convenient solution for couch-centric control, merging a full QWERTY keyboard with a built-in 3.5″ multi-touch touchpad. Designed to simplify PC, Android, or Chrome OS navigation from your sofa, it connects wirelessly via a 2.4 GHz Logitech Unifying receiver with over 10 m of reliable range—no Bluetooth pairing needed . The durable design features quiet, spill-resistant keys rated for up to 5 million keystrokes, multimedia hotkeys (volume, mute), and a responsive touchpad with left, right, and a bonus “left click” button—ideal for effortless web browsing, video playback, and messaging. Powered by two AA batteries, it offers up to 18 months of battery life, aided by an on/off switch and energy-efficient wireless protocol. Plug-and-play simplicity ensures instant functionality on most devices with a USB port, while optional Logitech Options software unlocks further customization. Compact, weighing 390 g, and available in multiple regional layouts—including eco-friendly recycled plastic options—it’s a versatile, low-cost companion for living room and casual productivity setups.

Key Features

Wireless Plug‑and‑Play Convenience

Using a Logitech Unifying 2.4 GHz USB receiver, the K400 Plus offers reliable, lag-free connectivity up to 10 m—no Bluetooth pairing required. Simply plug it in and enjoy seamless control from your couch, ideal for browsing, streaming, or remote desktop use.

Integrated 3.5″ Multi‑Touch Touchpad

Its spacious 3.5″ integrated touchpad replaces the mouse, enabling intuitive scrolling, tapping, navigation, and gestures (like two-finger scroll and pinch-to-zoom) right on the keyboard. This feature delivers smooth control without needing additional peripherals.

Long‑Lasting Power with Eco Focus

Powered by just two AA batteries, the K400 Plus can last up to 18 months thanks to its energy-efficient design and on/off switch. Additionally, it’s made with 60 % post-consumer recycled plastic, and has a carbon footprint of 4.9 kg CO₂e—reflecting Logitech’s commitment to sustainability.

Quiet, Spill‑Resistant Design

Equipped with low-profile keys rated for 5 million keystrokes and a spill-resistant layout (tested to withstand up to 60 mL of liquid), the keyboard supports quiet typing (≤55 dBA) and reliable durability for daily use in any home environment.

Media Hotkeys & Customizable Controls

With dedicated volume and media keys (mute, play/pause, forward/back), the K400 Plus makes entertainment control effortless. It’s also compatible with Logitech Options software, allowing custom shortcuts and gesture settings to tailor the experience to your needs

What’s in the Box

• Logitech Wireless Touch Keyboard K400 Plus
• Dongle
• User Documentation