WiFi+Bluetooth-Compatible Color Screen MP4 Movie E-Book Player 1. Display: 4.0-inch high-definition color screen, 960x540 (QHD) 2. E-book: TXT, PDF 3. Battery capacity: 2000mAh polymer lithium battery 4. Music playback time: 77 hours (screen off volume 50) 5. E-book reading time: 35 hours (50 brightness) 6. Video time: 10.5 hours (headphone volume 50) 7. Charging time: 1.5 hours (5V-2A charger) 8. Standby time: 640 hours 9. Built-in movies + novels + music 10. 4.0-inch full screen, full-screen touch 11. You can watch videos by opening the APP, mainstream video software 12. Videos can be played after downloading, and there is no need to convert formats 13. Support video formats: RMRMVBAVIMKVWMVNOBMOVFLVASFDATMP43GPMPGMPEG, etc. 1080P full-format HD video playback 14. Smart e-book, support night mode 15. Built-in English-Chinese dictionary, input and search 16. Wireless connection to mobile phone to transfer files, simple operation and fast speed 17. HD recording, high-power external speaker, can be listened without headphones 18. Type-C charging port, high-power charging, full in 40 minutes 19. Weight: 106g