Product parameters: Product Name: cooling bracket for tablet computer and mobile phone Product size: 16*10*3cm Adjustment mode: gear button rotary adjustment Heat dissipation mode: 8 cm fan cooling Scope of application: mobile phones and tablets of various brands Power supply mode: mobile power supply 5V direct supply Product features: 1. silicone material to protect the mobile phone from scratches 2. metal edge is easier to conduct heat and speed up the cooling of mobile phone 3. the retractable snap bracket can help the mobile phone to be fixed better 4. multiple power supply, mobile power supply or charging head 5. it can be adjusted 180 ° freely, which is convenient for use Product list: radiator +usb charging cable