This is the Cooler Master MasterAccessory GEM: a magnetized multi-surface mount that you can use to hold your headsets, VR goggles, mobile phones, and everything in between. It can be mounted to non-magnetic surfaces, such as glass, acrylic, plastic, and aluminum. It has rubber-coated steel arms to keep your devices scratch free.
GEM offers easy cable management. It has magnets, so you can attach it to metallic surface and hold up to 4.4lbs of weight. you can find out more about it here.