2.4G Wireless Technology: This keyboard and mouse combo utilizes 2.4G wireless technology, extending the mouse's control range up to 10 yards. Ergonomic Design: Both the keyboard and mouse feature an ergonomic design for a comfortable feel and efficient typing. Silent Keys: Enjoy quiet work with sound-reducing keys and silent clicks, allowing you to focus without disturbing others. UV-Coated Keyboard: UV-coated and laser-engraved ABS keys are designed to resist sweat and prevent damage. Wide Compatibility: This keyboard and mouse combo is compatible with all major operating systems and devices, including desktops, mobile devices, tablets, and more. Item Type: Keyboard and Mouse Combo Material: ABS Color: Black Keyboard Battery Type: 2 x AAA batteries (not included) Mouse Battery Type: 2 x AAA batteries (not included) Supported System: Compatible with all operating systems Applicable Devices: Desktops, mobile devices, tablets, etc. Package includes: 1 x Keyboard 1 x Mouse 1 x Receiver Satisfaction Guarantee: If you encounter any product issues, please contact us immediately for satisfactory customer service.