Emie 8000mAh Portable charger (Power Bank) Portable-- Unique portable fan design, creative style, made of high-quality ABS, has a solid structure and pressure-resistant So Cool-- Beautiful Fans, Great travel fans for cooling or beauty in hot weather activities like sun bathing camping USB Rechargeable-- Rechargeable battery operated fan, the USB powered fan comes with a rechargeable and replaceable 2200MA 18650 Li-ion battery, can be charged by USB charger, computer, power bank Stepless Speeds Adjustable-- Be free to turn down or turn up air volume with stepless speeds adjustable technology. Efficient power and conversion circuitry can minimize the loss to save energy and protect environment. Product Include-- 1 x Handgrip Fan, 1 x USB Charger cable, 1 X 18650 Battery, 1 X Strap for hung around wrist, 1 X English User Manual; 1 X Packing box