Built-in 2000mAh lithium battery, charging for 3.
5 hours can be used continuously for 60 minutes.
$Hand-held mini vacuum cleaner, small in size (5.
5*5.
4*2.
4 inches, 230G), so you can take it to any place you want to clean$It can be charged from any USB port or computer without an external power supply; charging directly with 5V 2A is more powerful than a laptop or mobile power supply.
Don't worry about voltage.
Very convenient and energy saving$Normal maintenance: Open the dust collector, take out the filter, then wash it with clean water, and then continue to use it after drying.
$The brush nozzle can absorb dust and dust.