Cordless Electronic Duster

Cordless Speed Adjustable Duster No Chemicals Doesn't Freeze Reusable: 1 Charge = 25 Cans of Canned Air Cordless Can be used in any position Built-in 6000mAh battery, 0.3-3H working time                  Fast Type-C charging                                                              Variable speed -16,000-41,000rpm step-less motor Super powerful cordless duster to clean all types of electronics and other devices without the use of dangerous chemicals.  The variable speed knob allows for adjustment between a light breeze to strong wind. Unlike cans of chemical dusters, there is no exposure to harmful chemicals the unit can be used upside-down and will not freeze or cause frostbite. The built-in rechargeable battery can be charged from a standard 5VDC/2 AMP USB power port or power bank (may take up to 3 hours to fully charge; an 1 AMP power port will require longer charging times).   On a full charge, the duster will run from 30 min to 3 hours, depending on the motor speed. Flashin