Micromax Canvas Infinity comes with 2900 mAh Li-Ion removable battery. It offers almost 20 hours of talk time and about 420 hours of standby time.
Apart from the mobile phone, you shall get battery, earphone, usb cable, usb power adapter, user manual, screen guard and a free back cover in the Micromax Canvas Infinity box.
No. Micromax Canvas does not the Gyroscope sensor.
Yes, you can use 2 sim cards and 1 memory card at the same time in Micromax Canvas Infinity.
Yes, Micromax Canvas Infinity does have the multi screen functionality.