We will always hold your back while shopping!Features: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， familiesSpecifications:Battery: Built - in 400mAh rechargeable lithium batteryWorking Current: 250mAPowered By: Rechargeable battery or USB cableColor: red/blue/blackSize: approx. 11.5*7*2cmPackage Included:1 x Mini Air Conditioning Fan1 x USB Cable1 x Hang RopeWe are here to provide you better service!