Mitel Cordless (DECT) Headset and Module Bundle, 50005712 (Use with Mitel 5330, 5340 and 5360 phones) 8 hours of talk time. 43 hours standby time Answer/End calls seamless without a "lifter" by pushing a button on the headset LED indicators on the Cordless Headset Integrated functionality of the Cordless (DECT) Headset eliminates the need for a handset lifter This bundle is a complete system with all accessories, cables and modules needed for fully functionality.