This cassette player was given to evangelists during the 1986 International Conference for Itinerant Evangelists in Amsterdam, 1986. It could be powered by hand, for use in places with no easy access to electricity.
Billy Graham wrote of his experience at Amsterdam 1986, “I said a silent prayer of gratitude for…the opportunity God had given us to bring together such a unique group from across the world, about 8,000 itinerant evangelists from one hundred and seventy-four countries, for training and encouragement.”