Giới thiệu Thiết Bị Nghe Một Mắt 8X Với Bộ Khuếch Đại Âm Thanh Tai Nghe Để Xem Và Nghe Chim Khoảng Cách Xa

This is an ideal tool for observing and studying birds. 8x optical telescope combine with sound picker, you can hear voices at a distance of 100 meters and observe the birds 8 times closer.  A wonderful listening device for outdoor activities.

Features:
8x optical telescope with a center-focus knob allows you to view the objects closer and clearer.
Parabolic sound collecting dish for hearing sound at distance of 100 meters.
Comes with a headphone to reduce ambient noise.
Can record up to 12s.
You can adjust the volume from low to high for better hearing.
Simple to operate with one hand by pulling the on/off switch trigger. 
Press the playback button to hear the sound with the free headphone.
Support transcribe recordings to computers and other audio equipment.
Quality ABS material and anti-slip rubber housing.
Great for studying birds and wildlife, observing their flying gestures and hearing their voice clearly.

Note: No battery is included, you have to buy the 9V battery to use the listening device. 

Specifications:
Material: ABS
Magnification: 8
Battery: 1 * 9V lithium battery (not included)
Resolution: 11-11.5”
Field of view: 7.5°
Directional listening distance: 100 meters
Volume adjustment: adjustable
Audio frequency range: 50-20000Hz
Waveform distortion: less than 6%
Sensitivity: -68dB to -50dB
Recording: solid-state recording time 12s
Item size: 210 * 180 mm / 8.3 * 7.1 in
Package size: 370 * 180 * 150 mm / 14.6 * 7.1 * 5.9 in
Package weight: 700 g / 1.54 l b

Package List:
1 * Binoculars
1 * Sound-collecting Plate
1 * Headphone
1 * Lens Cleaning Cloth
1 * English Manual

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