Description: Long Distance Listening: The sound detecting system is powerful. Hear conversations up to 100m/328-feet away. Parabolic sound collecting dish for better hearing. Comes with a headphone to reduce ambient noise. For Bird Watching: It is great for studying birds and wildlife. Observe flying birds' gestures and hear their voice clearly. 8X Monocular: See clearly with a built in 8x magnification monocular. No SIM card and SD card needed, can record sounds for 12 seconds itself. Application: Sound mobile device which acts as a bionic ear. Design for outdoor hunting, sporting or all entertainment venues. Great Gift: Bird watchers and nature lovers will be thrilled at the sound quality of this ingenious listening device. Great gift for your family or friends. Specification: Material: ABS, optical glass lens Color: Black Size(LxW): About 275x180mm/10.8x7.09inch Transparent Cover Diameter: About 210mm/8.27inch Powered by: 1 x 9V Battery(Not included) Telescope: 8X21 focusing Resolution: 11-11.5inch high definition Field of view: 7.5° Directional listening distance: About 100m/328feet in a field environment Volume adjustment: Adjustable. Audio frequency range: 20-20000Hz Waveform distortion: less than 6% Sensitivity: -68-50dB Recording: 12 seconds Package includes: 1pc x Listening Device 1pc x Headphone 1pc x Transparent Cover 1pc x Cleaning Cloth 1pc x User Manual Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 1-2 cm differences due to manual measurement.