The ATN Universal Headset for ODIN LT Thermal Monocular can be used hands free for observation purposes by utilizing the universal headset mount. Using the device hands free will allow longer time observing the scene, reducing hand fatigue by not needing to hold the monocular with your hand. The Universal Headset mount is adjustable and can be flipped up quickly in case you need to move the ODIN out of your field of view. Get this versatile accessory to help you in the field while your observing the scene for a prolonged period of time. FeaturesReduce hand fatigueHands free useAdjustable and can be flipped up