The tiny Logitech Unifying receiver is small enough to stay in your laptop and connect whenever you need it. Plus, you can easily add another compatible mouse, keyboard or number pad without the hassle of multiple USB receivers. Logitech Advanced 2.4 GHz wireless connectivity gives you the reliability of a cord from up to 10 metres (30 feet) away. Auto-frequency switching means you'll enjoy virtually no signal loss even in the busiest wireless environments. And it helps keep your information secure with 128-bit AES keyboard encryption, one of the highest levels of security available. A 24-month battery life means you can go for years without the hassle of changing batteries. And there's no need for On/Off buttons auto standby saves energy for you. The things you do most are right at your fingertips with eight hot keys for instant access to the Internet, e-mail, play/pause, volume and more. Setup couldn't be easier you simply plug the wireless receiver into a USB port on your desktop, laptop or netbook computer and start using your keyboard right away without software. Logitech Wireless Keyboard K270. Reliable wireless-wherever you use your keyboard. The tiny Logitech Unifying receiver is small enough to stay in your laptop. Plus, you can easily add another compatible mouse or keyboard-without the hassle of multiple USB receivers. With Logitech Advanced 2.4 GHz wireless connectivity, you'll enjoy virtually no signal loss from up to 10 meters away. You can go for two years without battery hassles. Eight hot keys and plug-and-play setup that takes just seconds add to the simplicity. The familiar, full-size layout-including number pad-gives you all the right keys right where you'd expect them. And it's built to last with the high quality and reliability Logitech is known for-with a spill-resistant design and UV-coated keys for durability. Wireless range may vary due to environmental and computing conditions. Keyboard battery life calculation based on an estimated two million keystrokes/year in an office environment. User experience may vary. Tested under limited conditions (maximum of 60 ml liquid spillage). Do not immerse keyboard in liquid. Keyboard. Frequency band. 2.4 GHz. Purpose. PC/Server. Multimedia keys. Yes. Programmable hot keys. Yes. Hot keys. Yes. Keyboard keys operating life. 5 million characters. Keyboard form factor. Full-size (100%). Keyboard language. Czech. Keyboard layout. QWERTZ. Device interface. RF Wireless. Connectivity technology. Wireless. Recommended usage. Universal. Design. Protection features. Spill resistant. Product colour. Black. Adjustable keyboard height. Yes. Wrist rest. No. Ergonomic design. Yes. Keyboard style. Straight. Backlight. No. Features. USB 2.0 ports quantity. 1. Wireless range. 10 m. Power. Number of batteries supported. 4. Battery type. AAA. Service life of battery. 24 month(s). Battery capacity. 1000 mAh. Battery technology. Alkaline. Number of batteries (keyboard). 2. Keyboard battery type. AAA. Power source type. Battery. Mouse. Mouse included. No. System requirements. Windows operating systems supported. Windows 10, Windows 11. Weight & dimensions. Keyboard weight. 498 g. Keyboard dimensions (WxDxH). 441 x 18 x 149 mm. Packaging data. Package weight. 658 g. Package height. 158.8 mm. Package depth. 454.1 mm. Package width. 31.8 mm. Packaging content. User guide. Yes. Batteries included. Yes. Receiver weight. 2 g. Receiver dimensions (WxDxH). 14.4 x 6.6 x 18.7 mm. Unifying receiver. Yes. Receiver type. Unifying receiver. Wireless receiver interface. USB Type-A. Receiver included. Yes. Logistics data. Master (outer) case gross weight. 3 kg. Master (outer) case height. 174 mm. Master (outer) case length. 464 mm. Master (outer) case width. 137 mm. Harmonized System (HS) code. 84716060.