Under the hood the Micromax Bolt A37B is powered by a 1GHz dual-core
Mediatek processor intended to eke out basic performance. In terms of memory, the device hosts 256 MB RAM with an internal storage capacity of 512 MB RAM which can be expanded up to 32 GB via microSD card slot present on the device. The extended storage option allows you to store personal files. The device is available only in Black colour. The smartphone has an in-built FM Radio and simultaneously supports playback of MP3, WAV, AAC, etc. file formats which helps in your recreation.