Feature: 1. High Efficiency: This air blower is equipped with a 130000 RPM motor, which has strong performance and a maximum wind speed of 52m/s. Provide 4 gears wind speed regulation with low energy consumption, low noise, and powerful airflow 2. USB C Charging: This compressed air duster has a built in 3000mAh high capacity battery that can run continuously for 20‑30 minutes at maximum wind speed. Cordless design, supporting blowing and vacuum suction 3. Secure and Practical: The cordless air blower does not produce harmful substances, liquids, or ice during the cleaning process, effectively preventing damage to electronic products, eco friendly and energy saving 4. Versatile Application: Designed specifically for cleaning various equipments, this electric blower is also suitable for inflating swim rings, trampolines, air cushions, etc. It is the great choice for homes, offices, and cars 5. Reasonable Design: This cordless dust blower has a lightweight design and comfortable grip, making it easy to use and carry; The battery has temperature, current, and short circuit guard to ensure secure charging Specification: Item Type: Jet Dryer Blower Material: ABS Speed Setting: 4 Gears Adjustable Motor Speed: 130000 RPM Working Time: 4 hours (1st gear) Maximum Wind Speed: 52 M/S Battery: 1 x Lithium Polymer Battery 3000mAh (built in) Working Voltage: 6-8.4V Charging Time: >2.5 hours. Package List: 1 x Jet Dryer Blower 1 x USB Cable 1 x Storage Bag 1 x User Manual