Whisper Card Finger 5 Voice-activated ✩ Whisper Card Approximately 3 minutes of playback time. Idol goods from the Showa 40s (1965-1974). The front features a singer's bromide, and a small flexi disc is attached to the back. When played on a record player, you can hear the person's voice. It contains talking, not singing. Playback has not been confirmed. Please understand that there is some soiling due to age.