SINCERE CUSTOMER SERVICE:We will put customer satisfaction as our first priority when selling products. So, please feel free to contact us when you met any quality problems. SILENT COOLING:Silent designing fan can efficiently emit wind from all sides, providing a stronger refrigeration effect, no disturbance to your gaming or your Vlog show. RAPID COOLING DOWN:?Need to plugged in?With the semiconductor technology, it's the same refrigeration principle as the refrigerator, not the ordinary fan cooling.Built-in 30×30mm chilling plate,instant cooling when connect the power,no need waiting to avoid overheat and ensure stabilize your live streaming or gaming experience. UNIVERSAL COMPATIBILITY:Linear Damping Telescopic Clip,easy to adjust, and suitable most size of mobile phones with a width of 6 to 8 cm. COOL DESIGN: ACEDAYS phone radiator is new design and the inspiration came from mech warrior,designed for mobile gamers, live streamers, bloggers, and others who use devices for extended periods.The fuselage was made of alloy,PC,silicone and the shape of carbon fiber texture.It gives off cool lights when connected to the power.