☃️【Black Shark Funcooler 4 Pro】Phone Fan is designed for mobile width of 67-88mm. 4 pro mobile cooler provides 27W cooling power, 1600mm²super large TEC cooling chip, equipped with 7-blade high-speed fan for rapidly dissipating heat, dual-NTC for over-temperature protection. Black Shark cellphone cooling fan cools down your phone to 0°C in 30 seconds in a 25°C room, enabling a maximum temperature drop of up to 40℃, lowest temperature to -15°C. | ☃️【Smart Cooling Modes】One click to switch the cooling mode of mobile cooling fan among Silent, Smart, Overclocking. 【Silent Mode】Ultra-low noise mode, suitable for players to use when playing late at night. 【Smart Mode】Adjusts the mode in real time based on temperature detection, always allowing players to experience a slightly cool feel. 【Overclocking】The cooling power is suitable for players to use when playing large games. Note: The cooler is in overclocking mode by default. | ☃️【Black Shark Ice-Sealing System】Cell phone fan cooler adopts the new Black Shark ice-sealing system, which has breakthrough and upgraded cooling and refrigeration capabilities, providing efficient heat dissipation performance for mobile phones. Say goodbye to hot hands, black screen, frame drops due to overheating. Enjoy the high frame rate running of the game and achieve a stable victory. Don't worry about hot air blowing on your hands with as it is with vertical air duct design. | ☃️【Multiple Usage Scenarios】Live streaming, driving, gaming. Car Navigation: mobile phone navigation can also dissipate heat without fear of exposure to the sun. Gaming, cooling feel, assists your gaming battlefield. Live Streaming: get rid of heat and freezes during broadcasting. (Optional)* Mounting bracket of cellphone cooler for live streaming. Please use standard bracket connector and connect the copper nut of the cooler in a clockwise direction. Please tighten it to avoid falling off. | ☃️【App Control】Turn on the Bluetooth and connect the mobie phone fan cooler in Shark Arsenal APP. Set the cooler light effects, cooling mode, and check cooler's temperature data and firmware version update. 【Dual-NTC for Over-temperature Protection】Monitor the inner temperature and auto shut down when the temperature is >60℃ or <-15℃. 【RGB Lighting】 RGB of cooler supports various lighting effects that can be switched by one click. 2 sets of lighting effects have been already designed for you. | ☃️【Packages】 1*Black Shark Funcooler 4 Pro phone fan, 1*Type-C cable, 1* User Manual. Note, Before using, please remove the protective film on the bottom of the cooler, fix the cooler on the back of the phone, and keep it as close as possible. When installing, please avoid the buttons on the side of the phone. * The cable only supports powering up the cooler, and does not support fast charging for mobile phones. Please do not hesitate to let us know if you have any queries.