Obolo is one of the languages of Nigeria (Africa).
For more information, see SIL Ethnologue code ann.
You can purchase the Obolo New Testament (audio format) from Faith Comes By Hearing.
The "JESUS" Film, based on the Gospel of Luke, has been translated into Obolo. You can view it online or order a copy from www.jesusfilmstore.org. Or order by phone from Campus Crusade at 1-800-432-1997.