Leap Free MP3 To Amr Mobile Ringtone - Version 4.0 Leap Free MP3 To Amr Mobile Ringtone Converter is an easy and fast audio converter tool.It can free convert MP3 to AMR,OGG with excellent quality.You can get the good audio quality with pleasure. You can set the encoding parameters including audio sample ,channels etc to get the best quality.Very easy to use for even a beginner. I think your making the converting time is easy and enjoyable.Features:Input formats:MP3;Output formats: AMR,OGG;Easy-to-use interface makes the conversion special easy;The optimized conversion engine makes the conversion amazing fast;End with high-good quality;You can control the parameters such as audio sample ,channels etc.