Usage Tips:Features: brand and Powerful Cordless Air Duster: Our air duster is almost 10 level strong gale (5.5cubic/min) for deep cleaning of the microscopic dust, Its motor allows the rotating speed reach up to 1800 RPM. Rechargeable Electric Air Duster: Built-in rechargeable lithium batteries allow to run nearly 120 minutes continously. Its compatibility of getting charged via the USB-port makes it so easy to charge Alternative to Compressed Air: This highly environment-friendly device as it allows more than 5000 times of use, resulting in saving a lot of energy. This is a scientific device. Handy Design & Simple Operation: The device is structured with an extended full-palm gripping design and withdrawable nozzle keeping the handhold clear to let users grip it at their comfort. Portable & Simple Operation: Small size(12.20x5.91x6.30in and light weight , easy to carry. Grip comfortably, operate simply. Specifications: Material: ABS Power supply type: rechargeable-lithium battery Rated voltage: 220V Rated input power: 600W Is it equipped with a vacuum device: Yes Air volume: 5.5 (cubic/min) Number of revolutions: 1800 (rpm) Size: approx. 310x150x160mm/12.20x5.91x6.30in Duct length: approx. 210mm/8.28in Color: blue, cyan, red(optional) Note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Body 1 x Mouthpiece 1 x Dust Bag 1 x Manual