Running on HP's webOS operating system, the Pre 3 incorporates a variety of convenient services including Microsoft Exchange for email unification and Direct Push technology for automatic client updating. A slide-out QWERTY keyboard is provided for increased accuracy within text-based communication types, with a 5-megapixel auto-focusing camera offering 720p HD video recording and a toggling LED flash. A mono speakerphone function is also provided in effort to minimize residual noise, utilizing a dual-mic design for phase inversion and wave cancellation. Internal storage sizes are available in 8 and 16-gigabyte allotments for media storage needs, with connectivity available via USB 2.0 technology. In addition, the Pre 3 offers WiFi router functionality for up to five other devices running HP's Mobile Hotspot application.