Retro and Cute: This wireless keyboard and mouse combo features a retro typewriter design with dot keycaps for a charming style. Low Consumption: The keyboard and mouse combo utilizes energy-saving and low-consumption technology. The keyboard uses 2xAAA batteries, and the mouse uses 1xAA batteries (batteries not included). 3 DPI Levels: The silent mouse supports 1000/1200/1600 3 levels of adjustable sensitivity, catering to a variety of usage scenarios. Shortcuts: The keyboard meets shortcut combinations, shift plus number keys for character input, FN plus number keys for multimedia input. 2.4G Wireless: The keyboard and mouse combo features a 2.4G wireless connection for a stable connection. Small size, convenient and portable. Item Type: USB Keyboard Mouse Material: ABS Number of Keys: 68 Keys Number of Mouse Keys: 3 Keys Connection Mode: 2.4G Support System: For Wih Xp, for Win7, for Win8, for Win10 Keyboard Battery: 2 x AAA Batteries (Not Included) Mouse Battery: 1 x AA Batteries (Not Included) 1 x Keyboard Mouse 1 x 2.4G Receiver 1 x User Manual Customers are our top priority. If you find any problems with your product after receiving it, such as damage or incorrect quantity, please contact us immediately. We strive to provide you with the best after-sales service.