Add to Cart Quick view Plantronics M12 Vista Amplifier to Headphone Set Plantronics Was: $10.70 Was: $30.00 Plantronics M12 Vista Amplifier to Headphone Set AC Adaptor Included No Headphone or MIC Condition: UsedThis item has been inspected and appears to be in good condition. 29921 SKU: 29921 Weight: 2.00 LBS