K4 Mobile Phone Radiator Semiconductor Temperature Display Dual Cooling Fan Cell Phone Cooler Heat Sink for Smart Phone Feature: 1. Continuous live broadcast for ten hours, still good heat dissipation 2. Only one clip is needed to cool the phone, and it will drop 5 directly after start-up 3. Dual-core semiconductor cooling film, dual-fan dual-fins, silicone anti-skid pad, low power consumption design 4. No delay in charging and cooling 5. Comes with bracket access port, can be matched with universal wheel bracket, bracket access port 6. Support bracket modification, pan/tilt modification, and universal wheel accessories, suitable for 1/4 screw head and universal wheel modification 7. The live broadcast is smoother and longer lasting, which solves the problem of long-term live broadcast heating 8.The width can be extended to 88mm, the buckle is telescopic, flexible and compatible, meeting the needs of multi-size equipment. Specification: Product model: K4 Heat dissipation type: semiconductor cooling Voltage and current: 5V2A Charging interface: C/USB type Model use: width 68-88mm/2.67-3.46in Product material: abs+pc+ aluminum alloy Color: Gun, Silver Product size: 111*77*29mm/4.33*3*1.2in Product weight: 97g Packing size: 125*90*40mm/4.92*3.54*1.57in Package weight: 176g Instructions for use: 1. Real-time temperature display, you can manually set the ideal temperature 2. After starting, it will drop to 5 and reach the preset temperature, enter the intelligent energy-saving mode, stop the fan rotation, and start refrigeration every 90/s -energy-saving cycle 3. Press +or- to adjust the temperature 4. Temperature control range: 0-40, the maximum temperature drop is 15-20 (according to the difference of outside temperature) 5. After power on, long press the switch button 2/s to start the machine Note: 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 1-2cm measuring deviation due to manual measurement.