The standard packaging of the JioPhone includes Mobile Phone, Battery, Charger and Quick User Guide. You will not get earphone inside the box.
Yes, Jio Music App will be inbuilt available in JioPhone.
Yes, JioPhone does have the NFC sensor.
Yes, JioPhone does have the speaker phone.
Yes, JioPhone does have a dedicated audio player and you can play your favorite MP3 tracks over it.