What is see is what you will get, Notting else is included in this sale.
Plantronics M22 Vista Headset Amplifier PN 43596-41
Plantronics 40287-01 Amplifier Cable, Adapts M12, M22 MX10 SP, PLX to GE systems
T300 Headset with Plantronics Practica A100 Amplifier for Most Desk Telephones
3 PLANTRONICS S12 Headset Amplifier Battery Operated Base with connecting cable
Plantronics M12 Vista Telephone Headset System Universal Amplifier
