- 8x monocular with a parabolic microphone design provides clear viewing and focused audio. The ergonomic handle supports one handed operation with an easy on/off trigger, and you can adjust the volume from low to high to hear clearly. - Ideal equipment for outdoor use: observe nature without disturbing the animals and hear sounds from up to 300 ft / 100 m away. - Special design and function: parabolic sound collecting dish acts like a bionic ear, helping you spot animals from afar or inspect fine details of smaller creatures. It includes a 3.5 mm headphone jack, and the sound amplifier comes with its own pair of headphones. - Easy to use: powered by a 9-volt battery (not included). For best results in open spaces, aim and pull the trigger to amplify sound. The frequency can be adjusted to reduce noise, making the natural notes clearer. - Use scenarios: park or trail birdwatching to hear distant calls while viewing nearby birds; wildlife observation in fields or open areas to study animal behavior; nature education or camping trips where private listening is preferred.