Durable use: Yellow filter mode and grey lens mode for daylight or night fishing, with focal length adjustment and rear lens switching, get your hands on our professional hands-free binocular glasses today and experience the freedom and convenience of hands-free viewing Handsfree design: Hands-free design allows you to enjoy your favorite events or activities without worrying about holding binoculars, lightweight, portable and easy to wear for long periods of time High definition: High definition optical lens magnification, with 10x Magnified, lets you see objects in the distance Adjustable: Adjustable arms and nose pads make it easy to customize the fit for your face Meaningful tool: Suitable for a variety of activities, including hiking, , climbing, surveillance, and travel