The Hoffman OP-706 was one of the first mass-production solar radios. It was released in 1958, a year after the Hoffman P411 in 1957. The radio was powered by 12 solar cells and could operate from lamplight.
The radios were offered in seven colors. Oyster White (OP-706), Ebony (KP-706), Mocha (BP-706), Red (RP-706), Turquoise (TP-706), Espresso (CP-706) and Pink (PP-706)