USB charging Mobile Phone Radiator Cooling Fan Mini Portable Game Cooler Cell Phone Radiator Heat Sink Functions: The cooler features the 9-blade fan, powerful heat dissipation, turbine exhaust technology for quickly dissipating the mobile phone heat. Low noise operation, does not interfere with voice chat, frequency conversion DC motor, stable wind for better use. The cooler is small and convenient, whose size is about one-third of the size of the mobile phone, making gaming perfect. Retractable buckle design, perfect for all mobile phones.; Upgrade the built-in battery, USB charging, compared with the traditional plug-in power supply, it is easy to carry. Model:67D222E380H9662 Feature: Product material: ABS Name: Mobile Phone Radiator Power supply: Built in battery USB charging Usage: snap-on Use: perfect for the mobile phones with sizes of 4-6.7 inches Input voltage: DC 5V Input current: 1A-2A Color: black/silver Product size: 45*76*16mm/1.77*2.99*0.63in Package Included: 1 x Cell Phone Radiator 1 x USB cable