A foldable ring assembly that can be coupled to a handheld electronic device or case is disclosed herein. The foldable ring assembly can include a mount and a support ring. The mount can be configured to be magnetically coupled to a handheld electronic device. The mount can include a first magnet, a second magnet, and a separator. The separator can be disposed between the first and second magnets. The support ring can be rotatably couped to the mount, wherein the support ring is configured to rotate between a closed position and an open position.