Electronic device

An electronic device for interacting with content provided from an augmented reality (AR) or a virtual reality (VR) device, the electronic device comprising:

• a strap portion of which both ends are coupled to a handle of the electronic device;
• and
• a strap tension adjuster disposed inside the handle, wherein the strap tension adjuster comprises:
• a link button disposed to partially protrude to an outside of the handle;
• a first spring coupled with one end of the strap portion;
• a first gear around which the first spring is wound and rotatable in a first direction, wherein the first gear comprises first sawteeth with first slope sides inclined in the first direction;
• and
• a second gear coupled and fastened to the link button so as not to be rotatable, wherein the second gear comprises second sawteeth with second slope sides inclined in a second direction,
• wherein the strap portion remains in a second state when the strap portion turns from a first state in which the handle and the strap portion are positioned adjacent to each other to the second state in which the strap portion is positioned away from the handle and the strap portion turns back to the first state when the link button is pressed,
• wherein the first gear is spinnable in the second direction opposite to the first direction when the link button is pressed, and
• wherein the first sawteeth and the second sawteeth are symmetrically positioned such that the first slope sides face the second slope sides.