The Vintage Sony Walkman SRF-M35 is a gray portable pocket AM/FM radio manufactured in 2001. It features a headphone jack for audio output and a clock for added functionality. With a battery life of 35 hours, this Sony Walkman model is compact and convenient for on-the-go listening. Designed with a belt clip for easy carrying, this Walkman from the year 2001 is a retro piece of consumer electronics history.