Zync Z99 2G Tablet supports voice calling over 2G. It also supports external 3G dongles to facilitate video calling and speed web browsing. It sports a 7.0 inch Capacitive touch screen and is powered by 1.2 GHz processor complemented by Mali 400 3D processor and 512MB DDR3 Ram. It runs on operating system Android 4.0 Ice Cream Sandwich.
The Tablet offers 4 GB internal memory which can be expanded upto 32 GB. It comes with two 0.3 MP camera, one at the back and another on the front. The Tablet has Wi Fi functionality along with GPRS and EDGE support.
Zync Z99 2G Tablet is one of the cheapest tablets with voice calling feature available in the market. Specification wise its better than the Micromax Funbook Talk. Go for it if you are looking for an affordable tablet which can replace your mobile as well.