LOGITECH Wireless Keyboard K340 A keyboard designed to fit your space and your life Designed to fit your space—and your life—the compact LOGITECH Wireless Keyboard K340 frees up space on your desk without requiring you to compromise on comfort. It's got a space-saving design with full-size layout, up to three years of battery life, and reliable wireless connection. Different setups. Different locations. One tiny LOGITECH Unifying receiver. The LOGITECH Unifying receiver is part of a new family of products that brings you wireless freedom and convenience without the hassle of multiple receivers. It's easy to pair up to six Unifying compatible devices, all to the same tiny receiver that never needs to leave your laptop. Now it's even more convenient to move around and work at the office, at home or on the road.