Compact Design: Small enough to fit in a pocket, purse, or backpack, weighing between 3 to 5 ounces.
Power Source: Usually powered by a USB-rechargeable internal battery (ranging from 1,200mAh to 3,000mAh) lasting 3 to 12 hours per charge.
Speed Settings: Typically features 3 basic adjustable speed levels (low, medium, high) controlled by a single power button.
Dual Functionality: Many normal types include a small built-in foldable base or lanyard, allowing them to transform from a handheld unit into a stable desk fan.
Safety Grills: Designed with narrow protective finger guards around the blades to prevent accidental contact.