Kica Portable Jet fan

Kica Jet Fan 2 Compressed Air Duster Blower,101000 RPM Electric Air Can,Recharge Battery, Adjustable Speed.
Lightweight and Portable. 
Work efficiently : Powerful wind speed and the rotating speed can reach to 101,000RPM.
Smaller Nozzle producing Powerful Airflow : Winds as powerful as compressed air can burst from Smaller Nozzle.
Long battery Life : Use for 4.5 h. Use the TYPE-C to charge.
Adjustable Speed by Slideing the Button : You can easily switch the wind speed to instantly reach the wind speed you want
Speed control : Slide the speed control button to adjust the wind speed.
Power ON / OFF : Long press the power button to power on / off. Single tap the power button after power on to enter standby mode, tap again to restart.
Operating voltage range : 12.8 V~16.8 V.
Operating temperature range : 0℃ ~+40℃.
Storage temperature range : -40℃ ~+80℃.
Battery capacity : 1100 mAh.
Charging time : About 3 H,10 min (5V/1A).
Weight : 301g (Reference value).
Size : 74×37.4×128.8 mm.
Max. runtime : About 4 H 30 min (Test in lab environment under the low speed).
Packing list : Main body×1, Large nozzle×1, Small nozzle×1, USB-C cable×1, Manual×1.