The Adesso WKB-1100CB offers many features that proves the statement, Big things do come from small packages. The mini-size keyboard and mouse will save its users space in their environments, With its wireless features, there are no tangling wires, Its membrane key switch provides a quiet typing experience with life cycle up to 5 million keystrokes, When both units are in inactivity, the battery saving feature will prolong their battery life extending their usage period, The keyboard itself also offers popular hotkey commands conviently located at your fingertips, Mouse's enhanced optical engine ensures navigating with precision, Operates on 12 different channels, each with 65,536 different IDs, Durable and Spill Resistant Design: Drain holes in the keyboard prevents damage of accidental water, coke or coffee spill, Membrane Switch: 5 Million keystroke lifecycle for a quiet and fast typing experience, Auto Sleep Design: Maximizes your battery life up to 6 months. WHAT'S INCLUDED: WKB-1100CB - Wireless Spill Resistant Mini Keyboard & Mouse Combo, Nano USB Wireless Receiver. DETAILS: 11.6"H x 5.6"W x 1"D, Weight: 0.65 lbs., Requires 2 AA (Included), Compatible with Windows 2000 / XP / Vista / 7 / 8 / 10, Wireless: 2.4GHz Radio Frequency Wireless Technology, Wireless range: 30 feet, Manufacturer's 1-year limited warranty. For warranty information please click here - https://cs.kohls.com/app/answers/detail/a_id/140, Model no. WKB1100CB,. WARNING: This product can expose you to chemicals including Polybrominated biphenyls, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov - https://www.p65warnings.ca.gov/. Size: One Size. Color: Multi. Gender: unisex. Age Group: adult. Material: NONE.