Cresta CTP888 - Device Overview and Buttons; Physical Button Identification

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Device overview
1. Menu button 10. Speakers
2. Volume+ Button 11. Earphone
3. Volume- Button 12. Power button
4. ESC button
5. Micro SD/SDHC Card Slot
6. Microphone
7. USB Port
8. OTG Port: USB from your external HDD
9. DC-in