Mobility Head Unit Features - HP Engage Go Convertible System Hardware Reference Manual

Mobility head unit features

Features
(1) Power button
(2) Barcode scanner button
(3) Barcode scanner (optional)
(4) Webcam light
(5) Webcam
(6) Charging light
(7) USB SuperSpeed charging ports (2)
(8) Barcode scanner button
(9) Fingerprint reader (optional)
You cannot have a WWAN (LTE) module and a barcode scanner in the same unit. You can have neither, or either, but not both.
NOTE:
2 Chapter 1 Product overview
(10) Near Field Communications (NFC) (optional)
(11) Hand strap
(12) Rear-facing webcam
(13) Barcode scanner button
(14) SIM card door
(15) Volume down button
(16) Volume up button
(17) Audio jack