Item Name: Phone Cooling FanBlades Material: PlasticPower Supply: USB Features: Universal, Portable, Suction CupsSize: 8.5cm x 8.5cm x 2.5cm/3.35" x 3.35" x 0.98" (Approx.)Specifications:4 suction cups on the back of the cooling fan make it more stable to hold the phone.Just connect the USB to a power bank or a wall charger and it will start work.This cooling fan can effectively protect the cell phone from overheating during playback and extend its battery life.Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes: (Phone Not Included)1 x Phone Cooling Fan