Rechargeable Portable Mini Handheld Air Conditioning Cooling Fan USB Cooler BE, Can be placed on the desk, hang on your neck or held in your hand. (Blue) This is an easy operating mini air conditioner. With air-conditioner & humidify double cooling wind function. It is powered by built-in rechargeable lithium battery (400mAh) or through USB cable. Can be placed on the desk, hang on your neck or held in your hand. Comes with a strap for easy carrying. With the lightweight and handheld / halterneck, convenient and easy to operate anytime and anywhere. Soak the sponge in water, placed in freezer, or put some scents before placing it into the mini fan to enjoy air conditioning. Bring cool air to you in long and hot summer. It is good partner of summer outdoor activities, trip, leisure and business. A creative and practical gift for your friends, families. Battery: Built - in 400mAh rechargeable lithium battery, Working Current: 250mA, Powered By: Rechargeable battery or USB cable, Color: red/blue/black, Size: approx. 11.5*7*2cm