Product Size (W x D x H): Approx. 3.1 x 1.6 x 6.7 inches (8 x 4 x 17 cm) (*Main Materials/Materials: Body: ABS resin; Blades: Polycarbonate Character: Silicone Rubber Base: ABS resin Uses 2 types of power supply: desktop USB power supply and handheld battery. Estimated Continuous Operating Time: Low wind: About 90 minutes, Strong wind: About 40 minutes *Operating time is only a guide. Depending on the frequency of use and environment of use The operation time may not be full. 2 adjustable air flow levels. Uses alkaline batteries (*Batteries sold separately). Ages 15 and up