Vintage 50+ years old tiny radio Neywa-M from USSR 

THIS RADIO ON EBAY: www.ebay.com/itm/175741202643
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Since 1967, the Neiva-M portable radio receiver has been producing the Kamensk-Ural Instrument-Making Plant. Class 4 radio receiver ''Neiva-M'' is designed to receive stations on a magnetic antenna in the LW, MW bands. It is made on 7 transistors and one diode. Rated output power 60 mW. Sensitivity to the internal antenna in the range of LW - 1.5, MW - 1.0 mV / m. Adjacent channel selectivity on LW - 20, SV - 16 dB. Attenuation on the mirror channel on LW - 26, MW - 20 dB. IF 465 kHz. The frequency response of the low-frequency path in terms of sound pressure is in the range of 450..3000 Hz and has a non-uniformity of 14 dB. Quiescent current 6 mA. Powered by Krona-VTs battery. The receiver remains operational when the voltage drops to 5.6 V. There are sockets for an external antenna and a telephone. Model dimensions - 113 x 70 x 34 mm.