Features: 1.Retro Cute: Retro typewriter appearance design, the keyboard uses Dot keycap design, cute and exquisite. 2.Energy Saving And Low Consumption Technology: The length of use is greatly improved, the keyboard uses 2 x AAA batteries, the mouse uses 1 x AA batteries. 3.Silent Mouse: Support 1000, 1200, 1600 three levels of adjustable sensitivity, can cope with a variety of use situations. 4.Conforms To Shortcut Key Combinations: Shift and number keys for symbols input and FN and number keys for multimedia input. 5.2.4G Wireless Connection: Small size, convenient and portable, using 2.4G wireless connection, stable connection. specification:Item Type: Wireless Keyboard Mouse Combo Product Material: ABS Number Of Keyboard Keys: 68 Keys Number Of Mouse Keys: 3 Keys Connection Mode: 2.4g Support System: for Wihndows XP for Win7 for Win8 for Win10 Keyboard Battery: 2 x AAA Batteries (Battery Not Included) Mouse Battery: 1 x AA Batteries (Battery Not Included) PackageList: 1 x Keyboard 1 x Mouse 1 x 2.4g Receiver 1 x User Manual