Caller ID Display, TF Micro SD card, Mp3, Manage&Search the voice data,built-in speaker. 1 line, 8 line, 16 ... conversation for 1year based on 5 days a week, when with the 16 GB memory Micro SD card. Yet no computer is ... , this digital phone recorder can tell you the phone number of your incoming call along with the time, date, what numbers were dialed ...