1.Magnetic semiconductor, fast heat dissipation, specially designed for gaming. Cools faster than refrigerator. 2.Magnetic suction/back clip 2 in 1 design,It can be sucked or clamped, so you can choose freely and have fun playing with it. 3.Three-level adjustment, frequency conversion digital display, temperature can be seen at a glance, stepless temperature adjustment design, you can choose a temperature more suitable for your mobile phone at any time, and it can cool down very quickly without damaging the machine. 4.Silent noise reduction design, the sound is too small to be heard, decibels 25dB 5.Compatible with 99% 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 models Colour:Black Material:Aluminum ABS Package Contents: 1 x radiator 2 x clip 1 x data cable 1 x magnet sheet 1 x Chinese and English instruction manual 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.