The Karbonn KC540 is a basic dual SIM phone featuring a 2.4-inch TFT display. It has a resolution of 160 x 240 pixels. The device has a camera of 1.3MP with digital zooming and is available only in black colour.
The phone memory has a very low internal memory and can be expanded up to 8GB with an external microSD card. The Karbonn KC540 is powered by a 1,200mAh li-ion battery which gives ample talk time. On the connectivity end it has Bluetooth and USB support for transfer of data. The Karbonn KC540 has an FM radio with recording feature.
The Karbonn KC540 is a compact and sturdy phone that can fit easily into one's pocket. The phone provides hours of talktime and is apt for users looking for a budget phone with calling purposes.