Yes, you can use Sony MBH20 with micromax mobile phone.
No. Sony MBH20 do not have volume control button. You cannot increase or decrease call volume but you can use your mobile phone's call volume control button for the same.
Yes, you can.
Yes, You shall receive USB Cable for the same as part of the standard packaging.
Yes, you can use Sony MBH20 with Vivo V5s.