HL10 LIFTERSTRAIGHT PLUGUS: for use with Savi headset lifter--- fits on your telephone letting you answer calls with the touch of a button conveniently and automatically takes your handset off hook. Automatically lifts handset and returns it to the cradle Enables remote or one touch call answer/end with your Plantronics headset Works with all Plantronics wireless office headset systems No desktop footprint Compatible with most standard desktop phones Fast operation