1. Aluminum alloy shell, classic 3rd generation style.
2. Card can be inserted
3. Support music, radio, recording, video
4. Multiple playback modes and sound effect modes.
5. MP4 comes with a card slot, insert the card and use it, support MP3 and WMA music formats
6. Built-in 350 mAh polymer lithium battery, which can play continuously for about 8-10 hours.