Sound Amplifier Listening & Observing Device Package footwear be superior in material and

be superior in material and excellent in workmanship

Indoor use only

Table Tennis

✓ All of our cases are made of high quality eco-friendly tough plastic

please allow 2-4 working days for your order to be completed

Sound Amplifier Listening & Observing Device Package footwear be superior in material andThe sound amplifier listening and observing package enables you not only to hear sounds of any volume over 100 meters and even record them, but also to follow objects optically with no need of using extra monoculars. With this sound simplifier listening device at hand, even the faint singing of birds can also easily be detected. The built in digital recording chip can be used for recording for 12s, playback or copy the file onto a standard audio tape