... connection with laptop or computer and any USB port.3.180'C oscillation fan.4. Anionic function. 5. Removable front cover for fan ... wheel cleaning, healthy completely.6. Soft-touch control panel with facility operation.7. Powerful air flow ... 100 to 240V. Certificates: CE, ROHS, FCC USB Mini Tower Fan Whirligig, Fashionable Style with CE,ROHS for Promotion