Daval Technologies TR-70 Telephone Handset Recording Device

- Daval Technologies TR-70 Telephone Handset Recording Device
- Works with any digital or cassette recorder with 1/8" mic and earphone jacks
- Record and play back phone calls through telephone's handset
- Works on single-line and multi-line analog/digital PBX phone system with modular connections
- No battery required - powered by phone