Logitech K400 Plus Wireless Keyboard with Touchpad – Black – 920-007145

Logitech K400 Plus Wireless Keyboard with Touchpad – Black – 920-007145

A TV-connected PC needs a keyboard and a mouse. Finding a flat surface for the mouse while typing from the sofa is not comfortable. Reaching back to the desk to grab it breaks the experience entirely. The Logitech K400 Plus wireless touchpad keyboard combines both into one device — so the mouse never needs to leave your lap.

One Device Replaces Two

The K400 Plus is a compact wireless keyboard with a 3.5-inch multi-touch touchpad built directly into its right side. Typing and pointing stay in a single unit. There is no separate mouse to juggle, lose in the cushions, or run out of surface to use.

The touchpad supports two-finger scrolling for vertical and horizontal navigation. Left and right click buttons sit below the pad. A second left-click button is positioned on the upper-left corner of the keyboard — navigate with your right hand on the touchpad and select with your left thumb simultaneously. Two-hand control without two devices.

10-Metre Wireless Range — From the Couch

The K400 Plus uses Logitech’s Unifying 2.4 GHz protocol. The wireless range reaches up to 10 metres. Sitting across the room from the TV-connected PC is no problem. The signal does not drop under normal household conditions. Plug the Unifying receiver into the PC once and the keyboard is ready. No pairing, no software required to start.

Quiet Keys Designed for Relaxed Use

The incurve keys use a soft membrane action. Keystrokes are quiet — well within 55 dBA across all keys. In a living room environment where audio is playing, key noise is not a distraction. The layout puts volume controls, mute, and arrow keys in easy reach for one-hand media control.

18 Months on Two AA Batteries

Two pre-installed AA batteries power the K400 Plus for up to 18 months under typical use. An on/off switch on the keyboard extends that further. There is nothing to recharge and no cable to manage.

Verified Specifications

All data below is confirmed from official Logitech documentation for model 920-007145.

Connectivity and Performance

• Model: 920-007145
• Wireless Technology: Logitech Unifying protocol (2.4 GHz)
• Wireless Range: Up to 10 metres (33 feet)
• Receiver: Logitech Unifying USB receiver — connects up to 6 Unifying devices
• Setup: Plug-and-play — no drivers required
• Optional Software: Logitech Options (downloadable — for custom key and touchpad settings)

Touchpad

• Size: 3.5 inches (76 x 47mm)
• Type: Multi-touch with two-finger scrolling
• Buttons: Left and right click below pad, second left-click on upper-left of keyboard

Layout and Keys

• Layout: Compact QWERTY (US International) — no dedicated number pad
• Hot Keys: Volume up, volume down, mute — plus Windows and Android shortcuts
• Key Life: Up to 5 million keystrokes
• Typing Noise: Within 55 dBA
• Spill Resistance: Yes

Build and Power

• Batteries: 2x AA alkaline (pre-installed)
• Battery Life: Up to 18 months
• Dimensions: 354.3 x 139.9 x 23.5mm
• Weight: 390g (with batteries)
• OS Compatibility: Windows 7, 8, 10, 11 or later; Android 7 or later; Chrome OS
• Warranty: 2-year limited hardware warranty

Where the K400 Plus Earns Its Place

The Living Room PC or Home Theatre Setup

A PC connected to a TV needs control from the sofa. The K400 Plus sits on the lap or the armrest and handles both keyboard input and cursor control from the same unit. Volume adjustments, media playback, and browser navigation all happen without standing up. The 10-metre range covers any living room. Browse the full range of wireless keyboards and peripherals at Big Mind Technologies for compatible Unifying devices to pair on the same receiver.

The IT Technician Configuring Server Hardware

Rack-mounted servers and NUC-style PCs in confined spaces often need temporary keyboard and mouse input. The K400 Plus provides both from a single device. Plug the receiver in, configure the system, unplug and move on. The compact body fits into a kit bag alongside other tools. The Unifying receiver stores inside the battery compartment when not in use.

The Conference Room or Presentation Setup

A presenter controlling slides and media from the front of the room needs mobility. The K400 Plus gives full keyboard input and cursor control in one wireless unit. Volume, mute, and playback keys are immediately accessible. No separate mouse sits on a table that may not have one near the display. Full compatibility details are available on the official Logitech K400 Plus product page.

The Android TV Box or Smart Media Player

The K400 Plus works with Android 7 or later. Android-based media devices connected to a TV — including popular TV boxes and streaming PCs — pair with the Unifying receiver immediately. Dedicated Android shortcut keys are pre-configured from the box. Logitech Options software allows further customisation of touchpad sensitivity and key behaviour when needed.

The Big Mind Technologies Guarantee

Big Mind Technologies stocks genuine Logitech products backed by a 2-year limited hardware warranty. The Logitech K400 Plus ships with its Unifying receiver and two AA batteries pre-installed — ready to use straight from the box. Contact our team before purchase to confirm compatibility with your specific device or operating system.