Amazing phone really. I got this phone about 200 rupees offline in Sasaram Bihar Rohtas. For my mum, . Phone is available in lots colour but I have golden piece. Outlook of phone is incredible really good. Back cover is Golden and battery backup is about one day or two days lastly.Important thing Samsung B 313 lots of function USB portable. Internet surfing is available but 2G. No more comments about speed of internet. Torchlight is present, camera is present but not too good other name of camera but no work of camera picture is bad.Screen size small about 1.5 inch memo calculator converter dual sim and memory card videos available you can play 3GP video .Size Phone is small. Music music is available sound of speaker is clear and experience of sound is not too good but fine phone is used for roughly use. Phone is good I love that design of phone, studio sound is good well fine, you just some friendly you can you can run phone easily. It satisfy the value of moneyit satisfy the value of money.Thanks !