PREMIUM QAULITY & UNIQUE DESIGN - Made of high-quality ABS、 has a solid structure and pressure-resistant. Safe to use.Rechargeable and portable design . Using brushless motor technique、 efficient power and conversion circuitry can minimize the loss to save energy and protect environment4" palm-sized mini handheld Fan、 can be charged by USB charger、 computer、 power bank .Lightweight and handy .User-friendly handgrip design. Foldable design: can be used as a desktop fan or handheld fan.