Portable fishing focal Length adjustment, rear lens switching, yellowfilter mode and white lens mode for daylight or night fishing. Suitable for watching the float of various models This binocular glasses is designed for letting your hands free when you are cheering for a great & theater shows or sports games like football. for all stadium sports viewing, concerts & theater shows from the back rows, bird watching, see-ing fishing float, even watching at home Easy to for focus on high-definition binoculars, day and night, free to switch, suitable for hiking, climbing, bird watching, watching wildlife and scenery, concerts and travel. It is also a good family or Optical glass lens, high light transmittance, clear imaging, for glare. help fishing with the best angle of view, see objects floating in the distance High-definition optical glass lens, ABS lightweight for the frame body, easy to carry. Can wear for a long for time. The frame is hung in the ear to add a soft rubber sleeve, protect the ear, comfortable to wear