Karbonn K444x is one of the latest mobile phone launched by the company that is a dual SIM device where both the SIM operates on GSM 900/1800 MHz of frequency. This phone physically measures 110 X 47 X 15.8 mm in size and sports 1.8 inches of QCIF TFT display supporting 262K colours along with 176 X 220 pixels resolution.
The microSD and T Flash card slot of the phone enables the user to expand the memory space by up to 8GB. The SMS and MMS storage capacity of Karbonn K444x is 500 and 100 respectively whereas its phone book can store up to 1000 entries.
One of the most impressive specification of this phone is its huge 1800 mAh of battery that is capable of providing talk time of around 7.5 hours and standby time of 25-30 days. Additional features of the phone include torch light, Anti Theft feature, WAP Browser, GPRS, Bluetooth, USB, one touch multi format music player, FM radio with recording, 0.3 MP VGA camera with video recording option, video player and games.