Plug and Play USB Connection: Easy setup, simply insert the nano USB receiver into your computer and use the keyboard instantly. No software needed. Adopted 2. 4G wireless technology, stable connectivity range between receiver and wireless keyboard mouse is up to 33ft. (*USB receiver separate packed) Perfect stroke keys and Ergonomic Design: Low-profile keys with an ergonomic offer quiet and comfortable typing. Perfect Stroke key system, Soft-touch palm rest. UV coated and strongly ABS keycaps design, the letter of characters never fade. Water-resistant keyboard protects against liquid spills to extand durability. Foldable stands at back of wireless keyboard, just the right amount tilt angle for reducing the pressure in your wrist. 6-Month Battery Life: Based on 2 hours non-stop use per day and automatic sleep mode allow up to half a year between battery changes. The compact keyboard come into sleep in 8 minutes if no typing. Automatic sleep power saving mode to prolong the battery life. When the battery in low power, LED indicator will flashing for seconds. (1 X AAA Battery, Not Included) Ultra Thin and Light: Compact size and light weight but provides full size keys, arrow keys, number pad, shortcuts for comfortable typing.12 multimedia hot keys combined with FN let you play music and movie, browse the web, open email and so on extremely convenient and efficient. Note: The hot keys are not available for Mac system. Broad Compatibility: Use with all major operating systems, including Computer, Desktop, PC, Laptop, Android Tablets. Compatible with W7/8/10/XP etc. (Notice: The wireless keyboard have 24-month warranty.)