• Experience precise cooling control with the 100-speed infinite adjustment feature. From a gentle breeze to a powerful gust, tailor the airflow to your exact preference
• Stay informed about the fan's settings with the clear digital display screen. Easily monitor the current speed level and make adjustments as needed
• Experience powerful airflow with the handheld fan's turbo boost technology
• Utilize the latest in energy-efficient technology with the low-energy polyenergy chip. Enjoy up to four times the battery life compared to inferior fans on the market
• It can not only be used as a simple fan, but also can activate the cooling function to cool the hot skin

Specifications:

• Product model: M57
• Input: 5V-1A
• Product weight: 225g
• Battery capacity: 3600mAh