CestMall Handheld Fan, Mini Fan with Emergency LED light, USB Charging Personal Portable Fan for Home Office Outdoor Travel Camping (Green) Unique Design: The outdoor fan has unique emergency LED light and charing phone design.You can hang the mini fan on camping tent for lighting at night,or charge the phone in emergency USB Powered or Battery Operated: Portable mini fan is powered by USB or 18650 lithium rechargeable battery (included), low cost, convenient to carry anywhere and anytime 3 Speed and Long Working Time: low speed(4-5 hours), middle speed(3-4 hours), high speed(2-3 hours); LED Light can last 5 hours Light Wegiht and Portable: The battery operated fan is so light.Soft silicone hand strap make the mini fan easier to carry, safe and not hurt your hand Wide Applicaton: Perfect for running, sporting, camping tent, outdoor hiking, office, study, home