Features: The battery life will service a long time, the charging treasure and USB charging head can supply power, plug and play, very convenient. The mobile phone radiator built-in 7500 rpm DC motor that is noise-reducing, so you dont have any noise when using your phone. With mobile phone radiator, your phone will not be hot, not only it saves energy, but also extends battery life. Support clip width of 67-90mm, does not hurt the phone, has a soft silicone mat, the phone is very stable. The heat dissipation system is equipped with a fan, the hot end is provided with a heat conductive aluminum block, the refrigeration module is equipped with a semiconductor refrigeration sheet, and the cold end is provided with a heat conductive aluminum block. The semiconductor is cooled and frozen, and it can be cooled rapidly by energization. Package Includes: 1x Mobile phone radiator Specifications: Material: ABS Charging method: USB Input voltage: 5V Input current: 3A Adapter voltage and current: 5V 2A Size: 80x56x31mm Color: Black white note: No retail package. Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you