?Instructions for charging?Please use a DC:5V adapter to charge it. The charging indicator will turn off when fully charged. (If you use the USB interface to charge, due to the small current and large battery capacity, the charging time will be very long). ?Instructions for use?Before using this product, please turn the switch on the upper right corner of the keyboard to the on position, and turn the switch on the bottom of the mouse to the on (no light) or LED (light) position.There will be a little delay if the battery power of the keyboard and mouse is too low. ?Ergonomic Design and Mechanical Feel?Snpurdiri small gaming keyboard key height and vertical-feeling mouse is designed according to ergonomics,and the classic black-white gaming set is not easy to fatigue after long-term use. It has a mechanical feel suitable for games, but it also has the special features of a silent keyboard and mouse combo suitable for office. ?Rechargeable & Long Battery Life?This rechargeable 60 percent keyboard is equipped with 2000 mAh battery. It only takes 2 hours to charge the keyboard by 5V/1A , and it can be used continuously for more than 44 hours. Support energy-saving sleep mode. ?2.4G wireless keyboard and mouse?Snpurdiri 2 in 1 keyboard and mouse set shares only a USB tiny receiver placed under the bottom of the keyboard. It adopts advanced stable 2.4G wireless transmission technology, and the mini keyboard and mouse have no signal interference, no delay. The effective transmission distance is 10 meters. Snpurdiri 60 keyboard also remain RGB backlight to enhance work or game atmosphere.For mouse,three-speed DPI adjustment design,1000-1200-1600dpi. ?Small Gaming keyboard and Mouse Combo?The  scientific  choice is a wireless compact 60% keyboard and a cute pocket-sized mouse, which strives to create a perfect white-black combination of gaming and office. Slim and lightweight design makes it not occupy much space and provide convenience for travel.Note: The USB receiver is in the bottom of the small keyboard.