1.Breakthrough refrigeration technology, TEC temperature control chip, every part is , providing an upgrading experience beyond ordinary radiators2.Semiconductor superconducting refrigeration plate, refrigeration speed is 6 times faster, and TEC refrigeration area is expanded by 3 times Close fit, increased cooling speed, seamless fit to the phone, high thermal conductivity cooling for even heat dissipation3.Powerful turbo fan, silent cooling, 9-blade large angled fan blades for cooling4.Silent noise reduction design, the sound is too small to be heard, decibels 25dB5. Compatible with 99 percent of mobile phones on the market, regardless of model. With a back clip, the back clip is more convenient to remove, does not affect the heat dissipation of the phone, and is compatible with more modelsdecibels 25dBColour:BlackMaterial:Aluminum ABSPackage Contents:1 x radiator1 x back clip1 x magnetic sheet1 x electrostatic film1 x charging cable2 x finger Only the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.