Material: metal + plastic, 2-Speed speed adjustment, 2-speed digital display, with colorful lighting effect, Product size: 8.05 * 5.88 * 4.08cm No More Overheating - Is your phone losing the battle during intense gaming sessions due to overheating? You are in the right place. Phone cooler is designed for mobile gamers, live streamers, bloggers, and others who use devices for extended periods. The phone cooling case can cool your device in seconds and keep it at a suitable temperature. Advanced Cooling Technology - Cell Phone Cooler adopts the newest semiconductor refrigeration radiator technology that can cool your devices instantaneously, keeping your mobile device at the optimal temperature without screen dims, freezes or automatic shutdown due to high temperatures, and preventing its performance from being compromised. You are able to feel and see the performance boost with the featured live temperature display. Ultra-quiet, Lightweight - The mobile phone radiator adopts a 30db noise reduction design. Its silent and wont impact your game play or movie watching marathons. Compact, lightweight design, and RGB LEDs embedded beneath the fan bring you a greater style and gaming immersion no matter where you are. No Battery Design - This newest cooling fan is with no battery design and you do not need to charge the fan anymore. You just need to plug in with typle C when you want to cool down your phone. Universal Compatibility - Our phone cooling fan is designed to be compatible with all type smartphone from 4.5 to 6.7 inches (Max Width:80mm). To use, simply clamp it to the back of your device and you are ready to immerse yourself in long gaming sessions.