LOGITECH Wireless Touch Keyboard k400,Fr

Integrated Touchpad: Features a large $3.5\text{-inch}$ built-in touchpad that supports familiar scrolling and multi-touch navigation gestures.

Laid-Back Control: The compact, slim design is specifically optimized for use while sitting on a sofa or in an easy chair, removing the clutter of multiple devices.

Media-Friendly Layout: Includes easy-access volume controls, arrow keys, and a second left-click button on the upper-left corner for convenient two-handed navigation.

Quiet Typing: Equipped with low-profile, comfortable keys that operate at less than $55\text{ dBA}$, ensuring you don’t disturb others while typing.

Long Wireless Range: Provides a stable $10\text{-meter}$ ($33\text{-foot}$) connection via a $2.4\text{ GHz}$ wireless protocol, ensuring an uninterrupted link even in large rooms.

18-Month Battery Life: Can run for up to $18\text{ months}$ on two pre-installed AA batteries (based on two hours of typing per day).

Plug-and-Play Setup: Works instantly by plugging the tiny Unifying receiver into a USB port; no software installation is required.

Unifying Technology: The included receiver can connect up to six compatible Logitech devices to a single USB port.

Spill-Resistant: Tested to withstand spills of up to $60\text{ ml}$ of liquid, helping it survive typical living room mishaps.

Wide OS Support: Fully compatible with Windows 7, 8, 10 or later, Android 5.0 or later, and ChromeOS.

Eco-Conscious: Constructed with $60\%$ post-consumer recycled plastic (for the black model) and is certified carbon neutral.

Dimensions: Approximately $139.9 \times 354.3 \times 23.5\text{ mm}$.

Weight: $390\text{ g}$ including batteries.

Customizable: Optional Logitech Options software allows you to personalize key functions and touchpad gestures.