I want to buy this mp4:
* Display: 1.8" QVGA TFT Screen
* Audio Format: MP3, WMA, WAV etc.
* Video Format: AMV
* Memory Capacity: 4GB
* FM Frequency: 87.5~108.1MHz
* Power Supply: Built-in Li battery
* USB Version: USB 2.0
* Color: Red
* Size (LxWxH): 7cm x 5.6cm x 0.8cm
But I don't know if the sound quality is nice. Anyone else knows about it? Please give me some advise. Appreciate for your help.