1. Material: full metal shell
2. Memory card type: TF card
3. Expansion card: support
4. Operation mode: push button
5. Interface: USB 2.0
6. Headphone jack: 3.5 mm
7. Bluetooth version: 4.2
8. Support audio formats: MP3, WMA, OGG, FLAC, APE
9. Screen resolution: 160×128
10. Frequency response range: 20HZ-20KHZ
11. Additional functions: Support Bluetooth, picture browsing, FM radio function, recording function, e-book reading
12. Battery capacity: 400mA
13. Life time: 10-30 (hours)
14. Product size: 14x8.5x3.5 cm
15. Weight: 150 grams