DESCRIPTION 1. The number of keys: 4 2. Optical resolution: 8K 3. Equipped with a Magspeed electromagnetic scroll wheel, 2 modes of use can be switched freely 4. Soft keys to reduce distractions and improve concentration 5. Equipped with a high-precision optical sensor, which can be customized to adjust 5K DPI high sensitivity 6. With Type-C charging cable, 70 days long battery life 7. The design is compact and exquisite, and the contour fits the shape of the hand 8. Lightweight and portable, easy to use, and takes up little space 9. Added Smart Action macro customization function, which can automatically execute multiple tasks with one click 10. Up to 3 devices can be paired, multi-screen collaborative file transfer across terminals Like New Condition