1、The 2000MAH lithium battery can be used for emergency charging of mobile equipment. 2、4500RPM low noise fan for efficient heat dissipation. 3、The 36/65 degree adjustable bracket can be operated at a comfortable angle. 4、With 6 silica gel suction cups, the mobile phone can be fixed without sliding. 5、Press the fan switch for 3 seconds to switch the fan from high to low. Features: The 2000MAH lithium battery can be used for emergency charging of mobile equipment. 4500RPM low noise fan for efficient heat dissipation. The 36/65 degree adjustable bracket can be operated at a comfortable angle. With 6 silica gel suction cups, the mobile phone can be fixed without sliding. Press the fan switch for 3 seconds to switch the fan from high to low. The LED power indicator can display the power at any time. Specifications: Input: DC5V/1A Output: DC5V/1A Working hours: 6-8 hours Colour: Black Material: ABS Electricity: 2000mah Package List: 1 * Radiator 1 * Charging Cable