Builtin 2000mA battery, continuous use for 4 hours.
Ergonomic design, small and convenient, with breathing atmosphere lamp, silent operation
Dual mode of ozone and negative ions
It is specially designed to filter the air in the car or indoors
Specifications:Charging power supply voltage: 5V
🚚 Shipping to USA under 4-13 Days.
Note: There can be delays due to covid19 lockdowns and unexpected natural events.