Boogie Board - paperless

[Vanessa8]

have you ever see boogie board ( paperless)? What did you like the most and what model do you have?

I saw those product of boogie board Sync 9.7 , Jot 4.5 , Original 8.5 , Jot 8.5 ,Original 10.5 ? Which one is the best?

Need your feedback

Thank you,
Vanessa