Students find ring tone adults can't hear - Technology & science - Wireless | NBC News - Adult cannot cell hear phone ring

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Several young students have caught on to a recent trend: a ring tone that only they can hear and most adults can't. Dubbed the Mosquito, the. The original ultrasonic ringtone high frequency hearing test Find out just how far your ears can hear into the range of ultrasonic ringtones. they can only be heard by kids and generally can't be heard by adults over the age over 20 or so.

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By Fenritilar - 00:25
Students have figured out a new way to hear phone calls and instant messaging The ringtone emits a higher frequency not heard by adults, thereby giving students 2) Teacher sees kid doing something with cell phone.
By Mot - 21:52
For classrooms where cellphone use is forbidden, students have found a ring tone that many adults cannot hear.
By JoJozragore - 01:35
Mosquito Ringtone: Parents & Teachers Can't Hear It, But Teens Can Since adults lose the ability to hear high-pitched sounds, the teens are using this Not only do they vibrate, but cell phones also tend to hum at the same time — a dead​.

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