Very good cooling rechargeable neck fan. Blowing up and down and there are metal cooling plates on the side of the neck. Can be used when going out, in the office, at home, playing, in the car or anywhere where cooling is needed.
Operating time: Only the fan on level 1 8.5h, level 2 4.5h and level 3 3h. Just the coolers on for about 2 hours. Coolers+fan on: 1.45h on level 1, 1.2h on level 2 and 1.15h on level 3. Charging time about 3 hours. USB C charging cable included, no charger.
Power source DC5V, input current 2A. Battery 4000mAh (18650) Lithium. Warranty 2 years.