I kall n4 volte 4g+ wifi voice calling tablet with dual sim.this tablet is very imprassive design with good look with two different colours black and white with keyboard black.the I kall n4 tablet features a 7.0 inches touchscreen ( 7.78 cm) for your daily needs and runs.this tablet is 4g voice calling tablet with 1 GB ram and 8 GB rom 4g volte supporting with mp3, fm player neckband 5 mp rear camera and 2 mp front camera.1.0 GHz quad core MTK processer android v6.0( marshmallow) os with 3000 mah powerful battery.1 year manufactures warranty