Rechargeable Keyboard and MouseThe wireless keyboard is made of aluminum alloy brushed panel, which is sturdy and durable. It can be waterproof, and the keyboard builts-in 3000mAh battery. The mouse builts-in 800mAh battery ,eliminates the trouble of frequently changing batteries. No operation automatically sleeps within 5 minutes, any key wakes up 2.4G Wireless Transmission2.4G wireless technology enables the keyboard to achieve long-range wireless control. Plug & Play, keyboard and mouse share an Intelligent Nano Receiver, convenient and fast. The keyboard features a streamlined layout that is ergonomically designed for gaming or office or home use.