Features: brand new and high quality Fast cooling : 3 seconds ultra-fast cooling, let your temperature drop. Semiconductor technology, heat dissipation. Wireless charging switchable design: mobile phone radiator is small in size, light and comfortable. After wearing the mobile phone, it will not bring weight, and the fingers can be held freely without curling up. At the same for time, there is a button on the side of the mobile phone radiator, which can switch the wireless charging function on and off. Mobile phone radiator suitable for multi-size devices: The mobile phone radiator has a retractable soft silicone back clip, which is suitable for most mobile phones and some other QI standard brands. It can stretch up and down and clamp the phone. The size is very suitable for 4.7-6.7 inch or phones. Big copper heat sink: The mobile phone radiator uses special semiconductors. The big copper heat sink and the fan are combined to dissipate heat in all directions and provide a very effective heat dissipation effect. The heat dissipation area is large enough to cover the CPU and the battery of your phone. Package Includes: 1xCell Phone Radiator Specifications: Material:ABS Color :Black/ White Size: Approx.13x10x4cm/5.12x3.94x1.57inch note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.