Product Description: .Interface: USB 2.0, Resolution: 1600DPI .Tracking Method: Optical, Rated working Voltage: 3.0V .Rated working Current: 25mA, Button: Button: 3 buttons with scroll wheel .Wireless Operate Distance: Up to 10M, Size: About 4.1 x 1.9 x 1.4 inches, Wireless carrier frequency: 2402MHz-2480MHz .Applications: advertising promotions, business gifts, birthday, wedding, fairs, anniversary celebrations, opening ceremony, employee benefits, public relations planning

Brand MICROWARE Colour Red Connectivity Technology USB Special Feature Wireless, Ergonomic Design Movement Detection Technology Optical