Welcome to the store! 1、2.4G Wireless: This keyboard mouse combo uses 2.4G wireless technology which can extend the mouse control range to within 10yd. 2、Ergonomic Design: This keyboard and mouse features ergonomic design which ensures comfortable hand feeling and fast typing. 3、Mute Keys: This wireless keyboard and mouse uses noise-reducing key and silent click can let you concentrate on working and not disturb others. 4、UV Coated Keycaps: UV coated keycaps and laser etched ABS buttons are designed to prevent sweat and damage to the buttons. 5、Widely Compatible: This keyboard mouse combo is compatible with all major operating systems, including desktops, mobile devices, tablets, and more. Item Type: Keyboard Mouse Combo Material: ABS Color: Black Keyboard Battery Type: 2 x AAA batteries (battery not included) Mouse Battery Type: 2 x AAA batteries (battery not included) Supported System: Compatible with all operating systems Applicable Devices: for desktops, mobile devices, tablets, etc 1 x Keyboard 1 x Mouse 1 x Receiver Your 100% 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!