2. Mobile phone charger function: built-in 4500mAh lithium battery, 5A/1V output, you can use a fan to charge your mobile phone in an emergency. 4. Mini and , tailored for the waist inside the clip position, three adjustable wind, does not leak hanging waist design - release hands, walk with a refreshing 3. Quiet motor: The fan has low noise and strong wind, does not disturb you and your family, and does not affect study, work, sleep, etc. 1. Three-speed wind speed adjustment: Three-speed wind speed adjustment, soft and strong can be switched at , bringing nature home. 5. Load reducing structure design, easy to master with one hand, hanging waist no pressure anytime and anywhere to drive away the heat, enjoy cool