brand:zoyzoii Power mode:USB noise:Below 36dB Whether the patent source:no colour:bubble cow Built-in battery capacity:1200mA-2000mA Is there a built-in battery:Built-in battery Blade diameter:1800mAh Operation method:mechanical Motor type:Brushless Motor battery life:8-12 hours Whether to support charging:support wind speed:3rd gear feature of product:long battery life Fan classification:hanging neck fan
