XUNSVFOX XYH50 4 Keys USB Charging Business Office Wireless Light Mouse 1. With colorful light effect, add a touch of gorgeous color to the dull work 2. 2.4G wireless reception, transmission receiving signal up to 10 meters, stable connection 3. USB rechargeable design, long-lasting 4. After 60 seconds of no operation, you will enter a light sleep; after 10 minutes of no operation, you will enter a deep sleep. Move the mousepress any key to wake up the mouse 5. Quiet comfortable buttons, received 10 meters, variable speed DPI 6. Plug and play easy connection, signal stability 7. Three-gear adjustment switch 8. Slim, compact and portable 9. Most of the commonly used electronic equipment at home can be controlled wirelessly and is widely compatible 10. It can be used for devices with USB interface: desktop computer, notebook, all-in-one computer, smart TV, etc 11. Number of keys: 4 keys 12. Battery capacity: 450 mah 13. DPI adjustment for grade 3:800-1200-1600 14. Connection mode: 2.4G wireless connection 15. Rolling direction: touch roller 16. Working mode: photoelectric 17. Size: 112 x 60 x 26mm 18. Weight: About 70g