Pocket Transistor radios in my collection
General Electric P-2790 from approximately 1972, 6 Transistor, runs off 9V battery
Magnavox D1066 from 1975, runs off 2 1.5v AA batteries
Arrow Transistor Radio from approximately 1979, 6 Transistor, runs off 9V battery
Realistic (Radio Shack) Flavoradio 12-202 (Blueberry) from approximately 1987, 6 Transistor, runs off 9V battery