The direct modern successor is the Philips SpeechMike Premium (Series 3700) , specifically models like the LFH3710 (with LCD) or LFH3770 (with Barcode Scanner).
The SpeechMike Pro Plus is a handheld dictation device featuring a built-in 23-digit LCD display, a slide switch for one-hand operation, and a barcode scanner slot (optional depending on sub-variant). It connects via USB for integration with SpeechExec software and standard Windows applications. philips speechmike pro plus 5276