Happy-top Handfan Rechargeable Fans Portable Handheld Mini Fan Battery Operated Cooling Fan Electric Personal Fans Foldable Fans for Home Office and Travel (Green) NOTE: Remove the insulation film of the battery before using.Unique design, creative style, made of high-quality ABS, has a solid structure and pressure-resistant. Safe to use. Rechargeable design Free to turn down or turn up air volume with the stepless speed technology. Efficient power and conversion circuitry can minimize the loss to save energy and protect environment. Small, light, and the compact. A hand held mini fan for cooling. 18650 international standard high-capacity battery provides long life and strong power output. USB mini foldable fan, can be used as a desk fan, clip fan, portable hand fan. With a hanger and a metal clip can be attached to umbrella, baby carriage, desktop, tent ect. Great travel fans for cooling or beauty in hot weather activities like sun bathing camping