The celexon VR Glasses Expert - 3D Virtual Reality Glasses VRG 3 are compatible with many smartphones, including the iPhone, as long as the display measures between 3.5" and 5.7". As the iPhone 15 falls within this size range, it should work with the VRG 3 without any problems.

Regarding the audio aspect: The glasses are equipped with detachable hi-fi headphones that ensure an optimal audiovisual experience. The sound is fed through a jack plug from the mobile, which ensures good audio quality.