Macworld If you’re tired of carrying a cable around to keep your iPhone juiced on the go, look no further than this wireless, quick-charging gadget. The Speedy Mag Wireless Charger is designed for iPhone 12 and later and makes it incredibly simple to recharge your device anywhere for only $39.99 (reg. $119) during the Presidents’ Day sale! Specifically optimized for Apple devices, the Fast Mag Wireless feature delivers power to your iPhone at the ideal ultra-fast speed. You can revitalize your iPhone from 0% to 100% battery life in just 30 minutes, and thanks to the Speedy Mag’s built-in magne…