The Polycom KIRK 40-Handset Series consists of three ruggedized and durable handsets designed for mobility in specialized working environments like manufacturing, healthcare, and oil/gas. The handsets offer exceptional voice quality, long battery life via temperature-compensated charging, and resistance to drops. Features include a graphical display, phonebook, text messaging, and headset compatibility on some models. The series is intended to increase employee mobility while maintaining constant accessibility via a customizable platform.