Product Parameters: Size: Diameter 20.5* height 5cM (8.07*1.97in) Net Weight: 0.581kg(1.28lb) Colour: Black Power Supply Mode: USB direct plug AC power supply, a normal No. 1 battery power supply. The maximum load-bearing capacity of the mobile power supply: 5KG Second gear speed regulation: 2 and 3 revolutions per minute.
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