Tesla 2710B Zuzana, 2711B Iris

The smallest Czechoslovak radio. The type 2710B Zuzana was made in 1964/65, 2711B Dana was made in 1965/66 and 2712B Iris in 1966/68. All of them used the same chassis. 9 V battery power, 130 mW power consumption, 40 mW output, six transistors. Later, pocket radios were not manufactured in Czechoslovakia, but were imported from the USSR.