Highly Efficient Semiconductor Accelerated Cooling: With a built-in large chilling plate and a 5500RPM high-speed fan, delivering an instant cooling effect, can cool down the overheat phone, no need to wait. Two-Stage Refrigeration Adjustment: Suitable for different occasions, low level for reading and video watching, and high level for game playing, live streaming,etc. Blue Light: Automatically turned on once connected to power, making it looks cooler, more suitable for your entertainment needs. Elastic Back Clip Design: Perfectly fits most smartphones, easy to attach and remains securely in place during use; with non-slip silicone mat, can better protect your phone, causing no scratches to the screen. Low Noise Operation: Adopt a seven-blade turbine and a suspended copper brushless motor, achieving high-speed and silent operation, ensuring a more comfortable gaming and video viewing experience. Specification: Product Material: ABS and electronic components Input Current: DC 5V/2A Max Charging interface: Type-C input Fan speed: 5500 revolutions per minute Other configurations: 2-level adjustment Package included: •1 x Cooling Fan •1 x USB Type-C Cable •1 x English and Chinese User Manual