Wireless 1600DPI 2.4GHz Ergonomic Vertical Optical Mouse for PC Game Office

Specification:1. Item: Ergonomic Vertical Optical Mouse2. Connection: Wireless 3. Frequency: 2.4GHz 4. Resolution(DPI): 800 - 1200 - 1600dpi Adjustable5. Buttons: 5 6. Wireless distance: 20M 7. Power supply: 1x AA Battery (Not included.)8. Weight: 90g9. Rate of return: 250Hz 10. Voltage: 1.5V 11. Current: 11mA 12. Dimension(LWH): 111.3*76*71.4mm Features:1. Ergonomic design, "Handshake" wrist design helps avoid the mouse arm, offers a remarkable comfort and handle.2. Ideal for those who with computer for a long time per day jobs, to ease wrist pain.3. 2.4GHz wireless connection can up to 20m operation range.4. High sensitivity, 800 - 1200 - 1600 adjustable dpi. Package included:1 * Vertical mouse