Keep your device cool during intense gaming or extended use with the Earldom ET-F15 Back Clip Mobile Phone Cooler. Built with semiconductor cooling technology, this compact radiator features a low-noise brushless motor and a 2500mAh battery to deliver quiet, efficient cooling anytime, anywhere. Its three-speed temperature adjustment and wide phone compatibility make it the perfect accessory for mobile gamers and power users. Specifications Product Type: Back Clip Mobile Phone Cooler Brand: Earldom Model: ET-F15 Material: ABS + Aluminum Alloy + Thermal Silicone + Thermal Aluminum Sheet Cooling Technology: Semiconductor cooling with back clip design Battery Capacity: 2500mAh rechargeable battery Speed Modes: Three-level adjustable temperature settings Motor Type: Low-noise brushless motor Compatibility: Suitable for 99.9% of smartphones on the market Use Scenario: Ideal for gaming, video streaming, and heavy phone usage Key Features Efficient semiconductor cooling to prevent device overheating Equipped with a powerful yet quiet brushless motor Three-speed temperature control for customizable performance Built-in 2500mAh battery for portable, wire-free cooling Compatible with nearly all smartphones using a secure clip-on design Durable construction with premium thermal materials for long-lasting use