1.8X Monocular: parabolic microphone monoculars design is very attractive, and the 8x monocular telescope allows you to see objects clearly at close range. The ergonomically designed handle can be easily operated with one hand only by pulling the on/off trigger. You can adjust the volume from low to high to get better hearing. 2.Ideal equipment: With this outdoor birdwatcher gadget, you can observe nature without disturbing the animals. It allows you to hear sounds up to 300ft/100m away. 3.Special design and function: Parabolic sound collecting dish bionic ear mobile device, built-in monocular is great for spotting animals from afar or for watching at the slightest details of smaller animals. It comes with a 3.5mm headphone jack. The sound amplifier also comes with its own pair of headphones. 4.Easy to use: This sound amplifier is powered by a 9-volt battery(not included), and the effect will be better when used in an open place. Within the aiming range, pull the trigger to amplify the sound. The frequency can be adjusted to reduce noise, allowing your ears to easily feel the beautiful natural notes. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.