WantekCorded Telephone Headset Mono w/Noise Cancelling Mic + Quick Disconnect for ShoreTel Polycom Zultys NEC Aspire Dterm Nortel Norstar Meridian Siemens ROLM Packet8 Landline Deskphones(600QS2)

Wantek RJ9 Phone Headset with Noise Cancelling Mic + Quick Disconnect for Polycom VVX400 VVX410 VVX411 Mitel 5312 5320e Avaya 1120 1408 ShoreTel IP480 NEC Plantronics Landline Telephones(600QS2)

TP-Link 802.3at/af Gigabit PoE Injector , Non-PoE to PoE Adapter, supplies up to 15.4W, LED Indicator,Plug & Play , Desktop/Wall-Mount ,Distance Up to 100m, Black (PoE150S)