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: Black Material: ABS, PC Mode: 2 Modes Rotating 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, 2A Output Voltage: DC7.4V Occasion: Car, Home, Office, Outdoor, etc Item Size: 24*8*20.2cm Package Size: 20.5*20.5*10.5cm Package Weight: 670g(Type 1); 750g(Type 2) Package List: 1 * Cordless Air Duster 1 * Extended Cleaning Nozzle 1 * Brush Nozzle 1 * USB Charging Cable 1 * User Guide Note: Please do not use it while charging