Quality material and portable design The main part of the equipment is made of high quality plastic, comfortable to hold and with strong shock absorption. It is travel friendly and resistant to crushing or breaking. Built-in 8x monocular with high-definition imaging Includes a built-in 8x monocular with high-definition imaging and an effective distance of up to 300 feet, ideal for observing nature from afar. You can use earphones to hear surrounding sounds while you view. Nature observing device with sound amplifier A sound amplifier is included for observing nature life from afar. It has a built-in 8x zoom monocular, so you can see nature in fuller detail. Listen to birds and other animals as you observe. Special design and function The built-in monocular is great for spotting distant animals or for seeing the finest details of small animals. To avoid disturbing your surroundings, it features a 3.5mm headphone jack. The sound amplifier also comes with its own headphones. Use scenarios - Birdwatching in a park or forest from a distance, while listening to birds and other ambient sounds. - Travel and sightseeing, compact and resistant to damage, enabling distant viewing without bulky gear. - Quiet observation in your backyard or nature reserve, using headphones to minimize disturbance while you study small wildlife.