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Karbonn K331 is a Dual Sim GSM phone that provides facility of Dual card and Dual Standby. This bar form handset has physical measurements of 106 X 45 X 16.3 mm with weight of 79.5g. There is 1.8 inches of QVGA screen in the phone that offers 65K colors and resolution of 128 X160 pixels for better image viewing. The battery backup of the phone is also good with talktime of about 9 hours and standby time of 600 hours.

The internal memory of Karbonn K331 is 1MB where you can store all your important data and this expandable memory can also increased up to 2GB.

Other features of the phone include MP3 player, FM radio, WAP browser, phonebook with 1000 entries capacity, MMS feature, 64 polyphonic ringtones, mobile tracker, mini USB, call conference and others. Karbonn K331 is available in the market at an approximate price of Rs.2200.