Sony PLL Synthesizer FM Retractable Business Card Black Radio, FM/AM/Wide Compatible, Single-ear Earbud, Size, SRF-R356,

It features a built-in retractable ear receiver. Because it's integrated with the main unit, the earphones can be stored compactly when not in use. It's also small and lightweight, with a thickness of 13.7mm (excluding maximum protrusions) and a weight of approximately 80g (when using the included AAA batteries). It's about the size of a business card, making it easy to carry in a breast pocket while walking or commuting. A long-lasting model capable of up to 100 hours of use. *When using Sony AAA alkaline batteries (LR03). The individual station selection buttons are located on the top of the unit. Simply select your prefecture, and the radio stations for your chosen region will be preset to the buttons. You can comfortably select stations even while the unit is in your pocket. It also supports wide FM radio stations. Easy operation with the jog lever. A jog lever is located on the side of the unit for easy one-finger operation. With separately sold stereo headphones, you can listen to stereo broadcasts on FM radio in stereo.