- Nature Observing Device with built in 8x zoom monocular and sound amplifier lets you observe wildlife from a distance with both visual and audio detail. The integrated monocular helps you spot animals and study fine features while the amplifier enhances listening. - Long distance listening up to 300 ft / 100 m enables you to hear wildlife without approaching, helping you observe natural behavior with minimal disturbance. - Special design features include a built in monocular for distant viewing and close up detail of small animals, plus a 3.5 mm headphone jack and an included pair of headphones for private listening. - Applications: ideal for outdoor hunting or sporting events, bird watching and nature lovers who want high quality sound and sight from a distance, camping and nature study in parks and other outdoor venues. - This sound mobile device acts as a bionic ear for outdoor use, delivering clear sound quality in a compact, portable form.