2 usb micro in 1 bluetooth audio cooler mini electric portable hanging neck fan air conditioner

features: 1.hand personal fan : your hands anywhere; fashion style makes you look so cool. hanging around your neck, suitable for traveling in weather, saved you from the embarrassment of dripping with a sudden sweat in public on numerous occasions. 2.semiconductor refrigeration technology: high cooling strength. using the second law of thermodynamics, the current generated by the semiconductor refrigeration chip forms a temperature difference, exchanges thermal energy, and de...