If it can't do multitasks then it is not N900 simple way to say it.

1. Multi-task
2. 5Mpx Camera with dual LED
3. Back of the slide should say Designed in FInland, Cortex-A8 32GB
3. 181grams in weight,
4. Micro USB,
5. 2 sensors on the left and right side of the front Camera
6. N900 text should be in crome light reflective
7. OS should not be Portrait
8. Settings->About: should say Maemo 5
9. Infrared port on the right side of the camera button.
10. 4 home screens