2.4 inch Calculator Multi-function E-book Built-in 900mah Battery Support Music and Movie
1. You can read e-books in your calculator, support catalogs, label settings, etc.
2. You can listen to music in it, support MP3 / WMA / WAV / APE. You can listen to FM radio and you can record voice in it.
3. It can be used to watch videos, movies. Support multiple video formats mp4, AMV, AVI, etc. Also can store photos and see photos.
4. It can be used as a normal calculator, and can be adjusted when using MP4.
5. Built-in 4G memory and 900mah battery, you can listen to 6 to 8 hours of songs. You can also watch the 3 hour video.
6. In system settings, you can set the language, time, date, power plan, etc.
Display: Highlights One-click return to the calculator interface (e-book or video interface can return to the calculator state with one button)
Backlight Brightness Adjusted Support: Yes (Backlight brightness: 1-5 can be adjusted)
Battery Capacity: 900mah
Expansion Card Support: Yes (built-in memory, you can also insert a memory card)
Standby Time: 30 days
Recording Function Support: Yes
Charging Method: USB
Radio Function Support: Yes
Available Color: Black
Multi-language Support: 24 languages (Simplified Chinese, Traditional Chinese, English, Japanese, Korean, French, German, Italian, Dutch, Portuguese, Spanish, Swedish, Czech, Danish, Polish, Russian, Turkish, Hungarian, Romanian, Arabic, Hebrew, Thai, Indonesian, Greek.)
Music: Support WMA, WAV, MP3, MP4 and other formats
Machine Size: Approx. 15.5x7.5x0.9cm/6.1x2.9x0.4inch
Image Support: JPEG, BMP, GIF picture browsing
Button Support: Push button
E-book: TXT Format
Image Pixel: 420 x 272 pixels
Calculator Function Support: Yes
Charging Support: Yes (With charging cable charging)
Display Type: TFT screen
Calendar Support: Yes
Headphones Support: Yes (With headphones jack, you can plug in headphones)
Low Battery Reminder Support: Yes
Sound Settings Support: Yes (With external sound)
Formatting Support: Yes
Factory Setting Support: Yes
Display Settings Support: Yes
Time Support: Yes
Date Support: Yes
ON/OFF Support: Yes
1 x Calculator
1 x Charging Cable
1 x User Manual
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이게 뭔가 싶네요.