Function: 【Electric compressed air dust collector】: Electric compressed air dust collector with very strong wind suction. High quality motor, super suction 9000 PA, easy do cleaning kurz. It is versatile and can be used do clean keyboards, computers, cameras and other electronic equipment and car vacuum cleaners 【 3-in-1 compression dust collector】: Equipped with 6 additional nozzles to meet different cleaning needs, the ma three-in-one suction mode, air blowing mode and vacuuming mode. Added more features than regular mini handheld vacuum cleaners, and the range of applications is wider. Also, if you buy so many different nozzles at once, you can say goodbye to air spray and save a lot of money. 【The PC】 vacuum cleaner set: The portable mini vacuum cleaner is ideal do daily cleaning of computer keyboards and notebooks. Equipped with additional nozzles to meet different cleaning needs. You can place a mini brush on the keyboard cleaning nozzle to easily remove kurz from computer fans or electronics without scratching or damaging it. 【Battery vacuum cleaner】: The do electric hair dryer is equipped with a large battery and a do fast charging cable is included,It takes only three hours to fully charge, can work on the track do 30 minutes and weighs only 0,7 pounds,So you can clean your computer with one hand and take it with you wherever you go. Specification: Product model: ST-6629 Product color: black Product size: 20*15 cm Crust material: ABS Rated power: 120W Rated voltage: Direct current 7,4 V Rated speed: 35500 rpm /min Vacuum grade: 9000pa Battery capacity: 2*2000mAh Charging method: USB 5 V charging cable Noise: 84dB Working temperature: -20 50 Cable length USB: about 1m Package details: 1 host 2x element filter 1x long flat nozzle 1x flat brush 1x conical mouthpiece 1x round brush 1x extraction tube 1x small conical nozzle 1 cable do charging USB 1 instruction manual