在Input text 數字這個產品中，有超過5篇Ptt貼文，作者DistinyX也提到
爬了網路上許多文
查到有網友說了這麼一段:
It's not mentioned in the manual, but you can attach a wireless keyboard
through a USB port. That lets you enter text more easily than you can with
the on-screen keyboard....
That lets you enter text more easily than you can with
the on-screen keyboard. But the wireless mouse that pairs with my new wireless
keyboard doesn't work.
