Rock Gaming Holder With Cooling Fan 1200mAh Game Colling Fan ControllerBrand : RockBuilt-in 1200mAh batteryWide compatibility with 4 " - 6.7" phonesLower the phone heat can be held comfertably4-hour heat DISSIPATIONLow noiseCharge & PlayNon slip siliconTwo angle kick standCharge time 1.5 HourDua..