1、Low power, high efficiency, built‑in 2000mAh high‑capacity lithium battery, recharged for about 1000 times, 60% power after 5 years of use, 50 minutes of uninterrupted battery life in low‑speed gear, rapid charging, 4‑5 hours of full charge.2、The vacuum cleaner adopts DC brushless axial flow pure copper motor, thick copper wire, high sensitive rotating mandrel, aviation lubricating oil, and strong dust collection.3、The detachable vacuum cleaner is more convenient to clean and prolongs its service life. The exhaust vents on both sides of the main body are good for heat dissipation, convenient and more durable.4、The flat suction nozzle is suitable for cleaning small crevices and dust such as monitors, keyboards, and compartments. The brush suction nozzle is suitable for cleaning keyboards, telephones, cabinets and other dust and floating dust.5、The handheld vacuum cleaner is made of ABS material, wear‑resistant, durable, sturdy, not easy to damage, can be used for a long time, and is a practical cleaning tool.