1, Dual-usage Dust Cleaner: Upgraded Version Handheld Vacuum have two functions - Sucking and Blowing. One end of the machine can be used to absorb dust, the other end can be used to blow dust. You can attach attachments to different interfaces according to your needs. Easy to use for vacuuming, blowing and brushing off Dust, Hairs, Crumbs, Scraps from office, car interiors, keyboard, piano, pet areas, house, etc. 2, Long Life & Powerful Operation: Built-in two 2000Amh 18650 Lithium battery for long life and outstanding performance. Rated output power is 35W. It can gives you around 50 minutes of continuous operation which is enough to cope with most areas of your house/office/car. The hand vacuum filter can be taken out and is water washable. 3, Quick charge and Safety guarantee: The Handheld Vacuum Cleaner With Blower adopts the fast charging technology, full charging within 4 hours. The intelligent power management technology contains multiple protections such as overcharge protection, over-temperature control protection, over-voltage protection, input-current protection and short-circuit protection to guarantee equipment safety.