Portable usb mini rechargeable 4 blades desk fan Support 3-level speed for adjustment, to meet your different needs Designed with 4 blades Powered by one removable 18650 rechargeable Li-ion battery (included) Charge via the attached USB cable Perfect for home and office use,

Portable usb mini rechargeable 4 blades desk fan Support 3-level speed for adjustment, to meet your different needs Designed with 4 blades Powered by one removable 18650 rechargeable Li-ion battery (included) Charge via the attached USB cable Perfect for home and office use, provide you strong wind and let you say goodbye to summer heat waves Specifications: Input voltage: 5V Input current: 0.5A-1A Output voltage: 5V-9V Output power: 4W Battery type: 1 x Removable 3.7V 18650 rechargeable Li-ion battery Working time: about 2-6 hours Speed mode: 3-level speed Product size: 140 x 105 x 42mm Packzge size: 160 x 115 x 80mm Net weight: 210g Package included: 1 x Portable USB Mini Rechargeable 4 Blades Desk Fan 1 x Micro USB Cable (about 71cm)