【Cordless Rechargeable:】Built-in lithium battery, 50 minutes of continuous use after 4-5 hours of charging. Reminder: Please charge for 4-5 hours before using it for the first time. 【2 VACUUM NOZZLES AND WASHABLE FILTER:】2 different vacuum nozzles allow you to reach the tightest spaces; the flat nozzle can suck in small pieces of paper, while the brush nozzle can dry ash and dust. The filter can be cleaned with fresh water and reused. 【Portable Mini Size:】The keyboard vacuum cleaner has a small size (4.9 x 1.9×7.8 inches), allowing you to take it with you wherever you go. The DC5V 1A low working voltage is safe to work, and the motor speed is changed from low speed to high speed, which is very convenient and energy-saving. [Long press the button for three seconds to turn on:] The 6000mAh lithium battery rechargeable vacuum cleaner provides you with good suction to clean dust, hair, debris, debris, computer keyboards, pianos, cosmetic bags, cars, pet houses, etc., sewing machine vacuum.