Penta Smart PS650 3G Calling Tablet Penta Smart PS650 is a 3G tablet with calling feature. It has 6.5 inch touchscreen display. It is powered by 1.2GHz A7 dual-core CPU with a MALI 400MP GPU. It has 4GB internal memory and 512 MB of RAM. It supports 2500 mAh battery power which gives 100 hours of standby time. It has latest Android os 4.2.2 Jelly Bean. It has 2 MP of Rear camera. It is available at price under 8K. You can use the tablet as phone because it has SIM support as well.