How to transfer MKV to MP3 as BlackBerry ringtone
Here show you the details of how to convert MKV to MP3 with BlackBerry Ringtone Makaer step by step. It can
transfer whole MKV to MP3, or just convert some clips of MKV to MP3 as BlackBerry ringtone.
At first, you should download BlackBerry Ringtone Maker and install it correctly. And then you will enter the interface of BlackBerry Ringtone Maker.

Step 2. Choose MKV you want to transfer to MP3 as BlackBerry ringtone.
You can click the "Browse" button to select MKV video you want to transfer to MP3 as BlackBerry ringtone. If you want to transfer clip of MKV, you can pre-listen the file to set start time and end time.

Tips: If you want to set start time and end time to choose clips to transfer MKV to MP3 as BlackBerry ringtone, you should adjust the blue sliders to control.

Then you can choose wanted folder of your PC to store MP3 ringtone transfered from MKV before transferring to BlackBerry.

Step 3. Convert MKV to MP3 as BlackBerry ringtone.
Click the "Start" button to transfer MKV to MP3 as BlackBerry ringtone and BlackBerry Ringtone Maker will transfer MKV to BlackBerry ringtone MP3 automatically.

Then you can transfer MKV to BlackBerry ringtone MP3.

Tips: When you transfer MKV to BlackBerry ringtone MP3, you should install BlackBerry Desktop Manager on your PC, which can make your BlackBerry phone sync with PC, and then connect BlackBerry to your PC, BlackBerry Ringtone Maker will transfer MP3 ringtone transfered from MKV to BlackBerry directly.