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Ring in each day with the best and most comprehensive resource on cell phones and smartphones. From hands-on reviews to information about service plans to advice about ringtones and more, count on About.com to keep you up-to-date and help you make sm...

The Mosquito Ringtone is a ringtone that is inaudible to adults due to a condition known as presbycusis. Students can use the mosquito ringtone to receive phone calls and text messages in class because most teachers will not be able to hear the high ...

Download free mosquito ringtones, the ultrasonic ringtone also called Teen Buzz that adults can not hear. This special frequency tone is inaudible to those over the age of 30, now you can get calls and text messages in class without your teachers kn...