Long-lasting Battery Life, Bass Running --Our cell phone cooling fan is equipped with 500mAh battery. Fast heat dissipation, the running noise is low. Extending the life of the phone and battery.^Excellent Cooling Effect -- Compared with other coolers, this radiator has a speed of 5000 and a large wind instantly takes away the heat of the mobile phone. It can effectively cool down the fever caused by Wilderness Action/PUBG Mobile.^Easy To Use -- Snap-in design, the cooler can firmly absorb the phone to avoid the phone falling off and scratching. Press the power button, the led light is always on, and the fan rotates.^Easy To Carry --The fuselage is compact and convenient to carry, can be used anytime, anywhere, without continuous fever. Does not block the screen, it is the best choice for you to play for a long time and chase dramas.^Widely Compatible -- Compatible with all 4-6.7in iPhone/Android/Huawei/Sony/Samsung and other mobile phones.