HXSJ M50 2.4GHZ 800,1200,1600dpi Three Gear Adjustment Dual-mode Wireless Mouse USB + Bluetooth 5.1 Rechargeable Technical Parameter: 1. Dual-mode mouse 2.4Ghz wireless mouse and BT5.1, metal massage wheel. 2. 10M wireless receiving distance, more convenient to use. 3. Three-speed DPI adjustment design, 800,1200,1600. (The default is 1200dpi). 4. Metal wheel, silent design, quiet and elegant office wireless mouse. 5. High resolution: 1600 DPI high resolution, smooth movement, support office and game use. 6. Stylish and slim design: slim design, easy to carry, there are 6 colors to choose from. Specification: 1. BrandModel: M50 dual-mode mouse 2. Color: black, silver. 3. Material: ABS 4. Key life: 5 million times 5. Wireless distance: 10m 6. Work: photoelectric 7. Battery capacity: 500mAh (rechargeable lithium battery) 8. Charging cable length: 25cm 9. Project Type: Ergonomic Optical Mouse 10. Resolution: 800,1200,1600. (Default 1200dpi) 11. Operation mode: photoelectric 12. Rated voltagecurrent: 3.7V18mA 13. Type: 2.4Ghz wireless mouse and Bluetooth 5.1 dual-mode mouse 14. Buttons: 4 buttons (left and right buttons, metal scroll wheel and dpi) 15. Power supply type: Rechargeable (charging time 2h, working time 150h) 17. Product weight: 73g 18. Product size: 10.8 * 6.1 * 2.9cm 19. Package weight: 94g 20. Packing size: 12.5 * 7.5 * 3cm Packing list: 1. 2.4G wireless mouse x1 2. USB receiver x1 3. USB charging cable (25cm) x1 Three-level power saving mode: 1. Three seconds into the sleep light flashes continuously 2. Enter into second sleep about 1 minute, intermittent flashing lights 3. About 8 minutes, enter level 3 sleep, the lights go out In 2.4G mode: Suitable for desktop computers, notebook computers, smart TVs with USB interface, etc. Installation and use steps: 2.4 mode wireless connection use: 1. Remove the wireless mouse from the box. 2. Remove the mini receiver installed on the bottom