- Application : Experience the world of sound like never before with this advanced mobile device that functions as a bionic ear. Ideal for outdoor hunting, sporting events, and entertainment activities, this device is perfect for bird watchers and nature enthusiasts who seek high-quality audio immersion. - Durable Performance : Engineered for longevity, this outdoor gadget features a rugged design to withstand your adventures. Powered by a 9V battery (not included), it provides sufficient energy for all-day use without interruption. - Unique Design & Functionality : Equipped with a built-in monocular, this device allows you to detect wildlife from a distance and appreciate small details. It includes a 3.5mm headphone jack, ensuring you can enjoy clear sound without disturbing the environment. The package also comes with a pair of comfortable headphones. - Nature Observation Made Easy : This sound amplifier is an excellent tool for observing wildlife in their natural habitat. Its built-in 8x zoom monocular delivers detailed views, allowing you to hear the calls of birds and other wildlife with unparalleled clarity. Use Scenarios : 1. Go on an early morning birdwatching trip, using the monocular to spot rare species while the sound amplifier captures their melodious sounds. 2. Enjoy a day of outdoor hunting, listening for subtle sounds that indicate animal presence, enhancing your overall experience. 3. Attend an outdoor concert or event, utilizing the device to amplify music and voices for a richer auditory experience. With its impressive features and design, this sound mobile device is a must-have for anyone passionate about outdoor activities and nature observation.