1、Efficient Cooling: Cell phone cooler adopts a powerful turbofan, which doubles the cooling effect. 5000R/min fan speed can cool down your cell phone quickly through high speed cooling. 2、Semiconductor Design: Cell phone cooling fan adopts TEC algorithm cooling system, 3 times enhanced cooling. Equipped with semiconductor for excellent peak cooling performance. 3、Magnetic: Built in magnetic core design, fast induction, makes phone cooling fan can closely adsorb the phone, releasing your hands, more convenient to use your smartphone. 4、Premium Material: Mobile phone radiator is made of premium aviation aluminum, with a full sense of cool. Wearable, sturdy and durable. Compact design, won't block your fingers. 5、Smart And Stable: Intelligent temperature control, long lasting cooling, always keep your phone running at a low temperature. Perfect for playing games and watching videos. 1 x Cell Phone Cooling Fan1 x User Manual1 x Transparent Sticker1 x Magnet1 x USB Cable1 x Plastic Box Item Type: Cell Phone Cooling FanMaterial: ABS, Aluminum, Ice CeramicWorking Power Supply: 5V, 2A MaximumFan Speed: 5000R/min