Fangrui Product Details 1. Zga Chinchilla Dual Mode Wireless 2.4g + Bluetooth 5.0 Mouse 2. Small And Light, Takes Up No Space And Is Easy To Carry. 3. Dual-mode Design, Supports Wireless 2.4g + Bluetooth 5.0, Switch At Will 4. Three-stage Dpi Can Be Adjusted Freely, With Sensitive Response And Smooth Operation, And It Is Not Easy To Lose Frames When Moving Quickly. 5. Built-in 450mah Polymer Battery, Long Battery Life Without Stress. 6. The Left And Right Buttons Have Bass Processing And Rubber Rollers, Giving You A Quiet And Comfortable Working Environment. 7. Parameters: 8. Bluetooth Version: 5.0 9. Transmission Distance: 3-10m 10. Usage: Bluetoothwireless 2.4g Usb 11. Number Of Mouse Buttons: Four 12. Resolution: 1000dpi1200dpi1600dpi Three Levels 13. Receiving Sensitivity: -75dbm 14. Battery Type: Built-in Polymer Battery 15. Rated Working Voltage: 3v 16. Rated Operating Current: 40us-10ma 17. System Support: Win810mac Os X Operating System, Please Use 2.4g Usb Connection For Win7 And Below Systems