Bullet Points:1、Silent Fast Heat Dissipation: The cooler with silent and fast heat dissipation makes mobile phone does not heat or break down for easy to play games.2、with Spring Retractable Clip: The spring retractable clip will not hurt your mobile phone, and can hold about 4-7 inch mobile phones.3、Good Heat Dissipation: With good heat dissipation, the cooling fan effectively cools and the heat of the mobile phone is quickly dissipated.4、Temperature Lowering Functions: Lowering the temperature of the phone can extended battery life.5、No Need to Charge: The mobile phone cooling fan does not need to charge, so you do not need to worry about battery life, plug and play.Specifications:Name: AH-101 Mobile Phone Cooling FanMaterial: ABS, aluminum alloy and ceramicPower supply: 5VColor: black and silverPower supply: USB power supplyUsage: snap clipAdapt to mobile phone size: about 4-6.7 inchesProduct size: about 7.55X3.65X1.97CM/2.97*1.44*0.78inPacking size: about 13.5X9.7X3.7CM/5.31*3.82*1.46inPacking List:1 * Cooling Fan1 * Power CordNote:It is normal cooling phenomenon to produce water vapor or water droplets during the cooling process of the semiconductor mobile phone cooling fan.