Optical USB Laptop Ergonomics Computer Silent Game Machine Laptop Desktop Features: Material: ABS Product Materials: ABS Product Material: ABS The Material: ABS The Materials: ABS Design Style: Ergonomic design, makes you feel natural and more comfortable. Long-term use without fatigue.\n Design Style: Ergonomic design, makes you feel more comfortable. Long-term use without fatigue. Design Style: Ergonomic design, makes you feel natural and more comfortable. Long-term use without feel tired. Design Style: This optical with ergonomic design, makes you feel natural and more comfortable. Long-term use without fatigue. Design Style: Ergonomic design, makes you feel natural and more comfortable. Long-term use without tired. Function: Long service life, the service life of the is up to 10 million. Suitable for personal computers and laptops. Product Function: Suitable for personal computers and laptops; The service life of the is up to 10 million. Product Function: Suitable for personal computers and laptops; Long service life, the service life of the is up to 10 million. Function: Suitable for personal computers and laptops; Long service life, the service life of the is up to 10 million. Function: Suitable for personal computers and laptops; The service life of the is up to 10 million. Scene: Games Business Office Home Occasion: Games Business Office Home Applicable Occasion: Business Games Home Office Applicable scene: Business Game Home Office Occasion: Home Office Size: 11.5x6.5x3.5cm The Size: 11.5x6.5x3.5cm Product Size: 11.5x6.5x3.5cm Dimension: 11.5x6.5x3.5cm Product size: 11.5x6.5x3.5cm When you received the items,if you have any issue you could feel to contact us and we will try our best to assist you. If you want to the items,please kindly contact us firstly. If you could not track the items,you could contact us and we will aissist you. If the package is lost or damaged,please contact us in time. All dimensions are measured by hand, error is normal. All the pictures will have some color difference under different light and display. Please forgive me.\n Product Description: Feature: new lightweight. High end optical motor, precise positioning.Material: ABS Color: BlackScene: Games Business Office : USB 2.0 Product Feature: and high quality. High end optical motor, precise positioning. The Material: ABSThe Color: BlackOccasion: Games Business Office HomeThe Interface: USB 2.0 Feature: and high quality. High end optical motor, precise positioning. Materials: ABSProduct Color: BlackApplicable Scene: Business Office Home GamesInterface Type: USB 2.0 Product Feature: new lightweight. High end optical motor, precise positioning.Product Material: ABSProduct Color: blackApplicable Occasion: Games Business Home OfficeInterface type: USB 2.0 Product Feature: High end optical motor, precise positioning. new lightweight. The Materials: ABSThe Color: blackScene: Games Business Port Type: USB 2.0 1. Safety certification: International level protection, dual insurance for electricity and data 2. Stable performance: efficient and durable, rejecting "not long to use, always lagging" 3. Full scene compatibility and adaptation: seamless connection of multiple devices/systems, plug and play 4. Practical Function: Directly targeting the core pain points and improving usage efficiency 5. Worry free after-sales service: fast cross-border response, problems do not delay use