6-keys 2.4G 1600DPI Three-speed Adjustable Wireless Office Mouse(Black)

1. IC model: MX86502. Mobile speed: 28 IPS3. Refresh rate: 3000 FPS4. Resolution: 800DPI, 1200DPI, 1600DPI (adjustable)5. Power supply: 2 AAA batteries (not included)6. 6 buttons, including scroll wheel, page turning key and page turning key7. Interface: USB8. Plug and play, wireless transmission, the sensing distance is about 10-15 meters9. Portable and light weight, very convenient to carry and store.10. Accessories: 1 x 2.4GHz Wireless Portable Optical Mouse (Battery Not Included), 1 USB Receiver