Specifications: Color: Pink or White. Material: ABS. Charging voltage: DC5V or 0.6A, powered by USB port. Power supply mode: USB. Charging time: 3 hours. Use time: 2 H to 4 H (2 gear). Rated frequency: 50HZ. USB cable length: 1.2 meters. Air supply mode: no shaking head, no page turning. Size: 87x87x160MM or 3.4x3.4x6.3". Function keys: divided into two levels (short press): first click 1, second click 2 times, turn off the fan 3 times. Rotate button: After powertoon, click the rotary button to automatically rotate 90¡ã cycle, click twice to turn off the charging status of the rotating power indicator red light flashes, working status: red light is always on closed state red light is on. Applicable occasions: indoor, office, family, dormitory, study, library, game room, etc. Features: to Material: Made of ABS material, mini leafless fan, soft wind design, safe and leafless, energy saving, low carbon, easy to clean. to Size: 87 x 87 x 160mm (length x width x height), small size, easy to carry, easy to move, can be used anywhere, including in the car. to Safety: It is impossible to expose people and cut people and pets, especially babies. to Smooth air: Leafless fans use airfoil bevels to amplify airflow, producing cool, cool air that does not cause unpleasant jitter due to rotating blades. to Aroma: Add different perfume(not included) according to your preference, bring you cool, bring you fragrance. Package Included: 1x Fan. 1x USB charging cable