【Freezable & Excellent Cooling Effect】Are you still struggling with overheating from long hours of smartphone/computer use? A small cooling fan to deal with thermal runaway is here! The smartphone cooler adopts the 4th generation Peltier element cooling technology, with a super large cooling area, circular omnidirectional heat dissipation aluminum conduction, and can lower the temperature to sub-zero! Using this smartphone cooler will be more effective when playing mobile games. 【Magnetic & Clip-on】With 2-way options, magnetic and clip-on, you can choose freely. Equipped with a super-strong magnet, it can be used with various models such as smartphones, tablets, and computers. Don't worry if you don't have a magnet. Magnet stickers and electrostatic stickers are included to achieve the magnetic function without leaving any marks. The clip can be easily removed and attached to a tripod for live streaming. 【Compact and Lightweight Design】The main body of the cooling fan is 61mm (width) x 61mm (depth) x 25mm (height). It's compact and doesn't interfere with hand operation, so your hands won't get tired. You can carry it in your bag or backpack when you're out and about, and it won't be a burden at all. No battery is built-in. If the fan doesn't rotate, there may be a lack of power. Please use an adapter and data cable of 5V/2A or more. When using, do not block the heat exhaust port and use it in a well-ventilated place. In case of overheating, run the fan in a well-ventilated place to cool it down. 【99.9% Device Compatibility】Compatible with smartphones, tablets, and computers. Furthermore, it can also be used with a tripod; by screwing the tripod screw into the screw hole of the smartphone cooler, you can live stream or take photos while cooling. Compatible with iPhone/Galaxy/Xperia/iPad/sense/Pixel, etc. Use with finger sleeves. 【Note】When the smartphone cooler is operating without being attached to a smartphone, condensation may occur on the heat-conducting metal plate, but this is a normal phenomenon. Please use a USB adapter of 5V/2A or more and a Type-C cable of 2A or more. If the specifications are not met, the cooling effect may decrease, or the fan may not operate properly. Set contents: Type-C cable + instruction manual + magnet sheet + electrostatic sticker + clip + finger sleeve.