Binoculars features: 12 x 42 binoculars, professional HD binoculars for adults, waterproof binoculars with mobile phone adapter, BAK4 prism binoculars for bird watching, camping, hiking, concerts, sightseeing ，(black) Color: we send based on the color or size of the main image of the product page. Quantity：we send based on quantity on title, if there is no quantity in the title, we send based on description. (High Power 12 x 42 HD binoculars) With 12x high-performance magnification and wide-angle lenses with 42 mm, offers a 100 m field of view. Ideal for bird watching, safari sightseeing, travel, concerts, wildlife watching, outdoor sports activities, etc. BAK4 prism & FMC optics: These binoculars are equipped with BAK4 prism and fully coated lenses, improve the light transmission and brightness and the light transmission reaches up to 99.5%. Makes images brighter and clearer. (Adjustable eyepiece) The eyepiece can be rotated up and down to adjust the most suitable distance between your eyes and the optical lens. Enjoy comfortable viewing even when you wear glasses. (Durable and waterproof) Binoculars made of high quality materials offer a pleasant feel when using. There are anti-slip pads on both sides to effectively prevent the binoculars from slipping off. IPX7 nitrogen-filled waterproof and O-shaped sealing ring can prevent moisture, dust and dirt from getting into the binoculars, thereby extending the usage time and maintaining a clear view.