1: TEC cooling chip + turbofan, 2-in-1 efficient heat dissipation, so that your mobile phone no longer hot 2: Retractable buckle clip, the maximum can be stretched to 8CM wide, universal a of of smart phones L-shaped silicone clamp, will not wear your phone 3: Honeycomb shape heat dissipation network, improve the heat dissipation speed Smart digital display that allows you to see temperature changes(Distinguish betweendigital display and No digital display models before purchasing) 4: Light and small, easy to take, so that you play without burden 2 gears can be adjusted by buttons 5: Low noise, no interference, does not affect experience Note: The product has no charging function and needs to be plugged into the power supply It needs to be plugged with a 5V/2A charging Colour:Black Material:plastic+metal type: B:Digital display model Package Contents: 1 x radiator 1 x Charging Cable 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.