Mitel Cordless Accessories Module (NA DECT) Part# 50005521 This is only the Mitel Cordless Accessories Module If you need the Cordless Headset Get this Mitel Cordless Headset With Charging Cradle (NA DECT) NEW Part# 50005522 Or Get the Mitel Cordless Headset & Module Bundle (NA DECT) Part# 50005712