Belt hanging fan $ 19.72 Battery capacity: 4000mAh Charging time: 3-4h Product size: 109X80X49mm Shell material: PC+TPU USB cable length: 30cm Features: Mini and compact, tailored to the waist, fixed clothespin design, cool breeze and no exposure Three gear wind adjustment, you can freely choose the right air volume to enjoy more comfortable cooling Built-in 4000MAH lithium battery, 5A/2V output, can emergency charge mobile devices
