Description:The cordless air duster is lightweight and small in size, wireless and the ergonomically designed handle is comfortable to hold and space-saving, convenient to carry around, and very suitable for use cleaning at home, in the office, or when traveling. Suitable for cleaning computers, camera lenses, air conditioners, sofas, electronic equipment, etc.Features:[Useful]You can use this air duster to blow the dust away from computers with higher efficiency compared to other compressed air can dusters.[Flashlight]The upper end of the dust collector is designed with an LED flashlight, which is convenient for lighting during dust removal.[2 Replaceable Heads]The air duster with a brush nozzle, and an extended cleaning nozzle, can meet the cleaning of every corner.[Portable]The keyboard cleaner adopted a rechargeable battery and cordless free design which is portable for you to clean desks, laptops, PCs, computers,s and so on.[Multiple Protections]Support overvoltage, overcurrent, over-discharge, overheating, short circuit, and reverse battery protection.Specifications:Lithium Battery: 5000mAh(Type 1); 10000mAh(Type 2) (Optional)Color: BlackMaterial: ABS, PCMode: 2 ModesRotating speed: 36000RPM 5%(First gear), 42000RPM 5%(Second gear)Air Speed: 57m/s(First gear), 65m/s(Second gear)Working time: 20-30min(Type 1); 30-40min(Type 2)USB Input: DC5V, 2AOutput Voltage: DC7.4VOccasion: Car, Home, Office, Outdoor, etcItem Size: 24*8*20.2cmPackage Size: 20.5*20.5*10.5cmPackage Weight: 670g(Type 1); 750g(Type 2)Package List:1 * Cordless Air Duster1 * Extended Cleaning Nozzle1 * Brush Nozzle1 * USB Charging Cable1 * User GuideNote: Please do not use it while charging