Portability: Compact, handheld design often compared to the size of a water cup or soda can, making it suitable for cars, homes, and offices.
Rechargeable: Equipped with a built-in battery (typically 1500mAh to 2000mAh) that charges via USB (Type-C or standard USB).
Safety Timers: Most models include an automatic shut-off feature after 90 seconds to 3 minutes to prevent overheating.
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