Tiny cooler on your phone? OnePlus is making it happen with Ice Card Mini; here’s how the pocketable accessory works

OnePlus is bringing a magnetic phone cooler called the Ice Card Mini. It looks like a card wallet and sticks to the back of the phone. The idea is simple: keep phones cooler while gaming without bulky attachments.Phone backs have become useful spaces for accessories since Apple brought back MagSafe in 2020. Wallets, grips, battery packs, and tripods followed. Qi2 later introduced similar magnetic support for Android phones. Cooling fans already exist, but older models often use bulky spring clamps.The…