Removable Battery for Non-Stop Operation: Equipped with an advanced swappable battery system (22.2Wh total), users can seamlessly replace batteries for continuous cleaning without interruption. Four flexible charging methods are supported: charge the tool or battery independently using Type-C (full charge in 2.5 hours). Provides up to 100 minutes of operation at the lowest speed setting. (Backup batteries available separately.) Extremely Upgraded Airflow for Instant Dust Removal: Driven by a high-performance brushless motor, this duster creates a jet-airflow of up to 87.5 m/s. Enhanced internal mechanics boost wind pressure to effortlessly blast away stubborn dust and debris. With 3 precision speed settings, it easily adapts to a variety of cleaning tasks. Versatile Cleaning with Multiple Attachments: This compressed air duster includes 4 specialized nozzles and 2 brushes, making it ideal for a wide range of cleaning taskswhether indoors for PCs, keyboards, and electronics, or outdoors