SPECIFICATIONSBrand Name: cooskrCertification: CB,CE,CSA,EMC,EMF,GS,LFGB,RoHS,SASO,UL,URChoice: yesFan Speed: Third GearHign-concerned Chemical: NoneOrigin: Mainland ChinaPower (W): 5wPower Source: Rechargeable BatteryRemote Control Function: NoTiming Function: No TimingVoltage (V): 5VWaist Clip Fan Portable Mini Hanging Neck Fan USB Rechargeable Fan Small Outdoor Camping Sports Waist Fan with Power Bank LED Light【Portable Waist Fan with Flashlight 2 in 1】It's a portable USB waist fan with flashlight. When you work outside or for outdoor activities, take this portable fan and you'll get all the necessities! 100m ultra-long distance bright light, so you are not afraid of the dark. The fan can be used as an SOS alarm light.【4000mah Large Capacity Power Bank】This Waist shirt fan is built with a 4000mah large capacity rechargeable battery, the portable waist fan supports up to 24 hours long working time while blowing out gentle wind at a low speed. The fan can be used as emergency power bank.【Strong Airflow with 3 Speeds 】The shirt fan has a newly updated motor that blows at most 6.5m/s strong airflow. Ultra-strong wind takes away your body heat within seconds. The maximum wind is strong. The blowing distance is long. No more struggling when working or traveling under the sun.