Specification:1. Brand: Rapoo2. Model: M2003. Color: Black, White, Blue, Pink4. Connection: bluetooth 3.0, bluetooth 4.0, 2.4GHz Wireless5. Tracking Method: Optical 6. Button: Left Button, Right Button, Scroll Wheel, bluetooth Switch Mode7. Acceleration: 10G8. Tracking Rate: 30inch/s9. Resolution: 1300DPI10. Voltage: 3.7V11. Current: 50mA12. Power: 1 * AA Battery(Not Included.) Features:1. Multi-mode connection, you can switch bluetooth 3.0, 4.0 and 2.4GHz Wireless mode.2. M200 can simultaneously connect to up to 3 devices, and switches among them with ease. 3. 1300dpi for accurate tracking, suits for office daily use.4. The mouse has strong adaptive surface ability, which could work fine at multiple material surface, such as resin, leather, wood, paper and so on.5. Silent switch reduce the click noise.Note:Because of the restriction of the transportation, we will take out the original battery. Package Included:1 * Rapoo M200 1300DPI Multi-Mode bluetooth 3.0/4.0 2.4GHz Wireless Optical Mouse for Laptops Tablets