The MagSafe Battery Pack attaches with a snap. Its compact, intuitive design makes on-the-go charging easy. And its perfectly aligned magnets keep it attached to your iPhone (iPhone 12 and later) providing safe and reliable wireless charging. MagSafe Battery Pack attaches with a snapCompact, intuitive design makes on-the-go charging easyPerfectly aligned magnets keep it attached to your iPhone with its 1460mah Capacity