Description: Rechargeable: This Compressed Air Duster is rechargeable, offering and eco-friendly for all users Portable : for on-the-go use, this Compressed Air Duster is lightweight and compact, for various scenarios Long-lasting Power: With a rechargeable battery, this Compressed Air Duster provides long-lasting power for all your cleaning needs Wide Application: Suitable for a variety of settings, this Compressed Air Duster is a versatile tool for both professional and personal use Efficient Cleaning: This Compressed Air Duster delivers powerful and efficient cleaning performance, ensuring thorough dust removal in any environment Specification: Product Name: High-Performance Fan Material: ABS Overall Dimensions: 160mm*94mm*57mm Input: 5V-2A Charging Port: Type-C Voltage: 6.2-8.4V Maximum Power: 240W Charging Power: 10W Air Pressure Test: Approx. 350g Battery: 4000mAh*2 Motor Speed: 130,000 RPM Air-flow Duct: 29mm Charging Time: Approx. 4 hours Battery Life: 12 minutes - 240 hours Speed ​​Adjustment: + - Buttons Stepless Speed ​​Control Operating Temperature Range: 0℃~40°C Storage Temperature Range: -20°C~+60°C Button Usage Instructions: 1. Start Button: Press and hold for two seconds to start/stop the fan. 2. Start Button: Press twice to turn the light on/off. 3. Speed ​​+: With the fan on, press briefly to increase the speed (four speeds in total), press and hold to increase the speed by 1%-100%. 4. Speed ​​-: With the fan on, press briefly to decrease the speed (four speeds in total), press and hold to decrease the speed by 100%-1%. Charging Instructions: Before first use, please ensure the battery is fully charged to avoid affecting battery performance. Ensure the fan is off while charging (this product does not support simultaneous charging and operation). Charging Instructions: The display shows the battery level during charging (green light flashes). A full charge shows 100%. Discharging shows the remaining battery level. Note: There might be a bit color distortions due to different computer resolutions. There might be a slight errors due to different hand measurement. Package Includes: 1*High-powered Fan 1*Short Nozzle 1*Long Nozzle 1*Air Infuser 1* Vacuum cup with nozzle and filter 1* Brush 1* USB data cable 1* Instruction manual