Linear Damping Telescopic Clip: Easy to adjust, perfect for all types of phones with a width of 6 to 8 cm. The mobile phone radiator can cool down when connected to the power. Rapid Cooling Down: With the dual engine, It's the same refrigeration principle as the refrigerator, not fan cooling,it can cool down your phone in 3s to avoid overheat and stabilize your live streaming or gaming experience. Mute Engine Dissipation: Dual silent designing fan can efficiently emit wind from all sides, providing a stronger refrigeration effect, no disturbance to your gaming or your Vlog show. Enlarged Cooling Area: About 7 sq. Inches extreme thermal conductive cooling area to cover the CPU and battery module, protecting your phone from blackening or sudden shut-off. Multiple Scenes Suitable: It is a must have for mobile phone game players and vlogers who use their phone to make live streaming video. Colour:Black Material:Plastic Package Contents: 1x Cell Phone Cooler 1x USB 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.