Premium Keyboard with Integrated Leather Wrist Rest - Sink into cloud-like support (memory foam & luxury leather) designed to combat wrist fatigue and protect against carpal tunnel. Tailor your ergonomic setup with adjustable folding legs. Note: Mouse not included Pro-Level Ergonomic Design- SABLUTE wireless ergonomic keyboard with 3-Layer High-Density memory foam palm rest, delivers superior wrist support and reduces pressure on your hands during prolonged typing sessions. The adjustable foldable legs let you customize your typing angle, helping to improve posture and minimize strain — ideal for office professionals and anyone who types for extended hours. Plug-and-Play - Enjoy seamless and stable connectivity with a range of up to 33 ft. Plug in the USB receiver for instant setup, ensuring smooth performance and minimal delays across multiple devices. Dual System Layout - This computer keyboard is compatible with any device featuring a USB-A or USB-C port. Additionally, you can effortlessly switch between Windows and macOS by pressing FN+A or FN+S. It is compatible with computers, laptops, Chromebooks, PCs, desktops, Mac OS, Windows, Linux, and Chrome OS. Smart Power Saving - The ergo keyboard is powered by a single AA battery (not included) and features an auto-sleep mode that activates after 10 minutes of inactivity, helping to extend battery life. Simply press any key to wake it up. Keyboard Won't Turn On? Try These Steps:1. Check Batteries: Ensure they are inserted correctly (+/- aligned) and remove any protective film. 2. Power Switch: Toggle the physical switch on the keyboard to "ON". 3.Test USB: Try a different USB port on your computer. Wireless Keyboard - Full-Size Computer Keyboard with Ergonomic Wrist Rest