HP Slate7 VoiceTab Ultra official Pictures. HP Slate7 VoiceTab Ultra is a Smartphone of hp. The HP Slate7 VoiceTab Ultra Android Smartphone. Announced 2014. Features 7.0″ Display, HiSilicon Balong V9R1 Chipset, 13 MP Primary Camera, 5 MP Front Camera, 5000 MAh Battery, 16 GB Storage, 2 GB RAM. HP Slate7 VoiceTab Ultra price starts.