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JF139 Product Specification Book Product name High-speed cooling handheld fan Product model JF139 Material ABS+PC+Battery+Electronic Components+Hardware Packing quantity 60pcs/carton Product size 60*60*184mm Packaging size 61x61x185mm Outer box size 426*356*384mm Outer box volume 0.063m Single net weight/gross weight 241g/323g Net weight/gross weight of the whole box: 14.5KG/20.2KG Product color White, gray, pink Packing list: Exquisite color box, data cable, manual, foam padding, lanyard Place of Origin: Shenzhen Product Display Packaging Presentation Product Specifications Input voltage 5V Input current 2A Rated power 10W plug interface type-C Battery Capacity 21700 4000mAh, Single Fan Usage Time: Level 1: About 4 Hours, Level 100: About 2.5 Hours, Level 199: About 23 Hours 199th position|Fan + Cooling Usage Time: Level 1: Approximately 3 Hours, Level 100: Approximately 2 Hours 199th gear: approximately 1.5 hours Gear 1-199 Certificate Type FCC, ROHS, CE, Quality Inspection Report Charging time approximately 3.5 hours, compliance with standards GB4706.1-2005 and GB4706.27-2008 Default neutral shipment, can be OEM.