Thank you for viewing. This is the FS-19, an electric air duster with stepless wind speed adjustment and ultra-powerful high-speed rotation. It features a quiet design with noise levels below 70dB and is rechargeable via USB Type-C, allowing for repeated use. It's perfect for removing dust from precision equipment like computers, keyboards, and cameras, as well as for cleaning the interior of cars. [Product Name] Electric Air Duster FS-19 [Features] Stepless wind speed adjustment, ultra-powerful high-speed rotation, noise <70dB, USB Type-C rechargeable [Product Condition] Excellent condition It has only been used once, so it is in excellent condition, but there is no instruction manual. Thank you very much.