Domestic handset maker Karbonn Mobiles on Friday launched a new smartphone "Titanium Jumbo 2" at Rs 5,999 on Amazon.in.The smartphone has a 5.5-inch screen with HD IPS full lamination 2.5D curved display."We are looking forward to the launch of Titanium Jumbo 2. Such offers from Karbonn is also our way of contributing further towards the 'Digital India' initiative of which we have been a staunch supporter," said Shashin Devsare, Executive Director, Karbonn Mobiles.The device houses a 4000mAh battery and sports a 8MP front camera and 13MP rear camera with LED flash.It is powered by a 1.3 GHz quad-core processor coupled with 2GB RAM and 16GB internal storage that can be expanded up to 64GB.