High speed Refrigeration Fan ice pack Handheld small fan portable foldable small neck hanging fan

Usage time:
Level 1: 9 hours
Second gear 5.5 hours
Three levels for 4 hours
Four levels 2.8 hours
Fifth grade 2.2 hours
Refrigeration 2-hour first gear
Cooling second gear 1.7 hours
Refrigeration Three speed 1.5 hours