mini wireless mouse,optical wireless mouse mini wireless mouse,optical wireless mouse Button quantity: 3 Scroll Wheel: 1 Tracking Method: Optical Resolution: 1200CPI Can I change the CPI: Yes, 800/1200CPI Ergonomics: No Material: ABS Power: 2 AAA alkaline batteries required Power Switch: Yes Can I recharge by USB Port: No Report Rate: 125 Certification: CE FCC Rohs BQB mini wireless mouse,optical ...