Specification:
 Item Type: Electric Air Duster
 Material: ABS
 Battery: Rechargeable Lithium Battery 4000mAh x 1 (Built in)
 Gears: 1 Gear (40000RPM), 2 Gear (80000RPM), 3 Gear (130000RPM)
 Working Time: 3h (1 Gear)
 Maximum Wind Speed: 52+M/S
 How to Use:
 1. Please use a 5V 2A power adapter.
 2. It is recommended to chargement for no more than 12 hours to prevent overcharging and battery damage.
 3. Do not place the product near a heat source or flammable materials.
 packing list:
 1 x Electric Air Duster
 1 x Instruction Manual
 1 x Type C Data Cable