MP3 or MP4

[Michael Trevor]

I want to enjoy my Summer Vacations by listening new types of songs. I am planning to buy MP3 or MP4 now.
Anyone please give me his reviews/opinion that what should I buy, thanks.

 

[george.vladd37]

Mp3 is for audio only!
Mp4 is for audio and video!

Choose what is best for your needs!

 

[NicholasK]

MP4 is the latest