New Delhi, Oct. 11 -- 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 Ice Card Mini weighs 50 grams and measures 70mm by 53.4mm, according to Yanko Design. Its footprint is roughly 30% smaller than OnePlus's earlier Magnetic Ice Cooling Clip. That older model weighed 68 grams and laun...