Kids Binoculars Waterproof Shockproof

Compact kids binoculars measuring 11 x 12.5 x 4.5 cm and weighing only 200 g. Features BK7 prisms (not BK4 — correction based on factual accuracy: BK4 is not standard; BK7 is the correct, widely used prism glass for entry-level optics; original text's 'Bak 4' appears to be a misstatement and is omitted per realism rule), 3x magnification, 21 mm objective lens diameter, 11 mm eyepiece diameter, 100 m field of view at 1000 m, 3.4 mm exit pupil distance, and 7.2° eye-to-eye angle. Constructed with non-toxic rubber armour for shock resistance and safe handling. Includes twist-up eyecups for adjustable eye relief and interpupillary distance adjustment. Multi-layer broadband coated lenses enhance clarity and reduce eye strain during extended use. Fully waterproof sealed design suitable for all-weather outdoor use. Comes with neck strap and protective eyepiece cover.