The battery level can be easily checked through the power indicator. Can be used while charging. This ensures long battery life and prevents short circuit and other safety problems.
OCOOPA USB Desk Fan Portable Quiet Cooling Table Fan 3 Speed 360° Home Office
OCOOPA USB Desk Fan, 4000mAh Rechargeable Battery Operated Table Fan, 4 Speeds
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OCOOPA USB Desk Fan - Adjustable Speed, Quiet Operation, Portable Cooling Fan
OCOOPA USB Desk Fan, 4000mAh Rechargeable Battery Operated Table, 4 Speeds
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