Yes, MagniLink Voice ll can be used and charged simultaneously.
No, the battery option is a factory installed option.
Yes, it is possible to add/change features afterwards and also to use external SAPI5-voices, such as Acapela/Infovox4.
Yes, please enter “advanced settings” and choose menu “sound profile”. Six different sound profiles are available.
Yes, by activating automatic languages recognition. This could be done in the “advanced settings”– refer to the manual or see page 9 for further details. The standard setting is “off”, as this setting improves OCR performance.