🔥New Scientific Multifunctional Calculator

Mutil-function, not only calculator but also digital book reader.

1. Material: ABS/Metal 
2. Battery capacity: 900 mAH 
3. Standby time: 30 days 
4. Charging mode: USB 
5. Return one key to the calculator interface (e-book or video interface can return to the calculator state with one key) 
6. Backlight brightness: 1-5 adjustable 
7. Built-in 4GB + memory, you can also insert another memory card. 
8. Music Playing: Support WMA, WAV and other formats. 
9. Image browsing support: JPEG, BMP, GIF format browsing 
10. Video playback support: AMV, AVI format video playback 
11. 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, Thailand Indonesia, Greece 
12. Functions: recording, radio, text document reader, calculator, time and calendar display 
13. Weight: 125 g 
14. Size: 15.5x7.5x0.9cm