Powerful deep cleaning (speed 3): The motor speed of this electric vacuum cleaner is increased to 51,000 rpm. This creates a strong airflow with nearly 10 strong winds (28m/s). The air duster is also designed with 3 fan speeds (51,000 RPM to 43,000 RPM) for thorough cleaning of dust like computers, keyboards, sofas and cars. Or some hard-to-clean electronic equipment. Rechargeable Air Canister: This compressed air dust collector has a built-in 6000mAh high-capacity lithium battery. Supports faster 2A 10W adapter (not included), it only takes 3-4 hours to fully charge, it can work for nearly 30 minutes after fully charged, and it can be used again. You can charge it with car chargers, power banks, laptops and 5V2A adapters. 5 Air Blow Accessory and LED Light Design: The built-in LED light design allows for more thorough cleaning. Provides 5 nozzles and a storage bag for this cordless electric dust collector. The removable nozzle makes it easy to store and transport the product, suitable for various uses of space, and easy to clean corners or places that cannot be reached by hand. LIGHTWEIGHT, DURABLE AND EASY TO USE: The compressed air sprayer is easy to use, just press the button on the dust collector fan. The compressed air features a lightweight and compact design (weight 1lb, size 6.3*4*2.6in), compact size is easy to store and carry, and more comfortable to hold and use. No matter how long you use it, you'll never feel tired. Eco-Friendly & Save Money: Powerful electric dust collectors are reusable, equivalent to over 5,000 air canned, helping you save money instead of constantly buying canned air. The electric dust collector adopts physical dust removal design, contains no chemicals, and will not cause any harm to your body. Electric dust collectors are obviously more energy-saving and environmentally friendly. Note: When charging for the first time, the charging red light flashes, the red light is always on when fully charged , and the green light is always on when working, change the nozzle according to the scene of use, long press the power button to use, do not charge immediately after use, it needs to be cooled, do not charge during side use.