Deeply Cleaning Dust: The air duster has a 33,000 RPM motor with an aerodynamically designed housing that produces a powerful thrust of air at almost 10 level strong gale (28m/s) for deep cleaning of computers, electronic instruments, devices and more electronic components Rechargeable Battery for Reusing & Easy Charging: Built-in large 6000mAh lithium batteries make the duster reusable and work nearly 30 minutes after a full charge; Its compatibility of via the USB-port makes it perfect for uninterrupted use. Fast Charging: This air duster is specially designed to get faster with a 2A adapter (not included). shortening the charging time to 3 hours. The usability can be highly increased. Comfortable Handy Design: The air duster is structured with a full-palm gripping design that makes us comfortable to hold. Eco-Friendly and Energy-Efficient: The air duster is highly environment-friendly and energy- saving as it's tested for 5000 times or so of use without gas and water. Colour: black Material: plastic + metal Size: 20x14x6cm Package Contents: 1 * Keyboard cleaner 1 * Vacuum nozzle 1 * Vacuum brush 1 * spare sponge 1 * USB cable Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.