Space-saving Design: The compact portable keyboard is about 36 percent smaller than standard keyboards but still has all the standard keys, so doing the things you love is as easy as ever. Comfortable and Portable: The ambidextrous mouse is compact and delivers smooth tracking and scrolling, making this a versatile, wireless, and compact setup. Long-lasting Battery: Durable and reliable, work up to 24 months with the keyboard and up to 12 months with the mouse without changing batteries (2) thanks to the auto-sleep power-saving technology. Reliable Wireless Connection: Plug and play simplicity, no delays or dropouts up to 33 ft (1), with Logitech Advanced 2.4 GHz, so you can take your mouse and keyboard wherever you work. Built to last: This durable and reliable keyboard features spill-proof (4) design to keep you on-track for years to come despite any on-the-job mishaps at home or at work.