【Rechargeable & Portable】 This MelodySusie Rechargeable Nail Dust Collector is equipped with a large-capacity lithium-ion battery, which only takes 2.5 hours to charge fully and can be used for up to 5 hours. It is very convenient to use cordless anytime and anywhere. It is the best choice for your nail art 【Professional Powerful Dust Collector】100% vacuum effect with high power suction fan and reusable fine filter, this dust vacuum can efficiently adsorb and collect nail dust and fly ash from 360 degrees. Giving you and your customer a free-breathing environment while filing or polishing nails. Its portable size(7.67×3.35 inches) ensures it won't occupy much space on your manicure table, while also providing the convenience of easy portability for when you're on the go.