2.4Ghz Ultra Thin Slim Women Wireless Optical Mouse Sem Fio Mini Pink Hello Kitty Mice Gaming Gamer Mause For Computer Desktop Type: Wireless mouse Wi-Fi Range: 10m Interface Type: USB Number of Buttons: 4 Tracking Method: Optical Rated working voltage: 3 V Rated working current:10mA DPI: 1000/1200/1600 DPI Battery model: 2 * AAA batteries (not Included)