Wireless keyboard mouse combo has an LED indicator that shows the remaining power in real time and flashes red when the power is too low to remind to replace the battery. Fashion pattern on both sides of the keyboard, stylish and beautiful, different. Wireless mouse also connect the usb receiver to the computer, check if the computer can recognize the usb receiver, then put the battery into the mouse, it is better to put more batteries, put the mouse close to the usb receiver, turn on the power to work. Wireless mouse does not glow at the bottom, so it will not disturb anyone at night. Adopt fully waterproof design. Wireless compact, does not take up space, ultra thin design, easy to carry. Easy to open battery cover for keyboard and mouse.