Placing an iPhone 12 or its magnet-containing MagSafe accessories near a pacemaker can interfere with the medical device’s ability to function, reports Tech Radar.

In an update to a support document spotted by MacRumors, Apple states that you should keep your iPhone 12 and MagSafe accessories (including the MagSafe Charger and MagSafe Duo Charger) “a safe distance away” from your implanted pacemaker or defibrillator. Apple defines a safe distance as more than 6 inches / 15cm, or—if wirelessly charging—more than 12 inches/30cm.

Read more at Tech Radar