Portable Mini Mask Fan Clip Usb Charging Outdoor Silent Ventilation Small Fan

Specification: Product color: three colors Material: ABS PCB battery Use time: about 3-6h Battery capacity: 300mAh Charging time: 2 hour (the red light is always on when charging and the light is off when fully charged) Noise: 36-45db Product weight (bare metal): 20g Product weight (including packaging): 42g Product size: 7x3.3x.8cm Notice: . Due to manual measurement please allow 0- inch error. Thanks for your understanding. 2. The monitor is not calibrated the same the color of the item shown in the photo may be slightly different from the actual item. Package Included:x fan clip+x data cable+x manual