| Manufacturer | Part Number | Description |
|---|---|---|
| Unknown Manufacturer | ISD1820 | Voice Recorder |
| Bai core | ISD1820P | 8 to 20 seconds of voice recoder |
| Atvoc | ISD1820 | 8-20 seconds voice recorder |
| Unknown Manufacturer | ISD1820 | voice recording/playback |
| AMBITION | ISD1820 | 8-20 seconds voice recorder |
