Welcome to the store! Made from PBT material, this keyboard feels non-greasy to the touch and is very comfortable. Built-in 1000mAh high-capacity lithium battery, with a long battery life, you can use the keyboard with confidence. Uses BT5.0 wireless transmission, data transmission is stable. Uses physical buttons to quickly switch between different scenes. The mechanical shafts are sensitive to trigger, and a variety of shaft bodies provide you with different typing experiences. Provides 12 types of lighting effects for you to switch at will, whether gaming or office use is suitable. Item Type: Wireless Keyboard Product Model: STK61 Keys: 61 keys Key Lifespan: 50 million times Cable Length: Approx. 1.6 meters/1.7yd, Type-C cable Wireless: BT 5.0 Built-in Lithium Battery Capacity: 1000mAH (inclusive) System Requirements: For Win 2000/XP/VISTA/7/8/10/Linux/OS X 1 x Wireless Keyboard 1 x Data Cable 1 x User Manual Your satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will provide you with the best solution!