Fan - Universal - Desk Fan 2000mAh Battery Capacity Super Silence USB Charging Station Laptop Cooling 4 Speeds Desk Fan Cooling Gadget Highlights Universal Desk Fan 2000mAh Battery Capacity Super Silence USB Charging Station Laptop Cooling 4 Speeds Desk Fan Cooling Gadget Desk Fan 2000MAH USB Battery Capacity Super Mute Charging Charging Laptop Cooler 4 Speeds Desk Fan Cooling Gadgets | Fans Feature: Battery capacity: 2000MAH Charging time: 6h Use time: 3h-12h Adjust speed 1-4 speed Fan Blades: 7 leaves Size: 140x120x220mm PWER: 4W Machine material: ABS = plastic rod aluminum alloy Notes: If you have special requirements, please leave a message when you place the order.