KASTWAVE Phone Cooler Fan - Magnetic Built-In Battery iPhone Compatible

Semiconductor Cooler Semiconductor cooling materials are currently the fastest cooling, it can quickly cool the phone, to avoid battery damage during prolonged high temperature operation. Cooling the phone also keeps it running smoothly while playing games. Built-in Battery - "Real" Wireless It has a 1360 mah battery that lasts 1-2 hours when fully charged. It comes with 1.5m USB C charging cable, supporting wireless and wired use. Multi-device Support Compatible with magsafe magnets for iPhone 12 and 13 series, and compatible with most iOS, Android and tablet devices. The built-in magnetic sticker easily solves the problem of not being able to stick.