Welcome to our store! Mobile operation is more relaxed than ordinary mice. Small compact design, the size of a pen, with all the functions of a mouse. Human engineering design is more suitable for the hand. Small size, portable. Can be charged in your bag. The best promotional gifts, students' favorite. Plug and play, no need for drivers. Accurate sensing components, sensitive to 3 DPIs, use with more confidence. Easy to use. Exquisite and small, portable users are preferred. The new generation of products has been adapted for left-handed users, so left-handed users can also use it. Item Type: Mouse Pen Material: ABS Key Number: 4 keys 3 DPI: 800/1200/1600DPI Button: 5,000,000 times Current: 15mA RF Frequency: 2402MHZ-2480MHZ Application: PC, Smart TV, Set-Top Box Support: For Windows 7/Vista/XP/2000/ Android/Linux/ Mac OS X Battery Specifications: 1 AAA battery (excluding)