1.The cooler features the 9-blade fan, powerful heat dissipation, turbine exhaust technology for quickly dissipating the mobile phone heat.2. Low noise operation, does not interfere with voice chat, frequency conversion DC motor, stable wind for better use.3. The cooler is small and convenient, whose size is about one-third of the size of the mobile phone, making gaming perfect.4. Retractable buckle design, perfect for all mobile phones.;5. USB direct power supply for long-time working.Specifications(about):Name: Mobile Phone RadiatorColor: silverProduct size: 45*76*16mm/1.77*2.99*0.63inPower supply: USB power supplyUsage: snap-onUse: perfect for the mobile phones with sizes of 4-6.7 inchesNote:Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!Please allow 1-3cm measuring deviation due to manual measurement.Parts List:1 * radiator