Sony NWZ-B183F Walkman Black adjusts the target frame size

adjusts the target frame size as the subject moves throughout the image frame

adjust volume and take or make calls by tapping or swiping the touch panel on the side of your headphones

Just place your hand over the housing to instantly turn your music volume down and let ambient sound in

Control the Party with the Sony | Music Center App

Sony NWZ-B183F Walkman Black adjusts the target frame sizeSony NWZ B183F Walkman Black Sony Walkman MP3 player with built in USB with aluminium finish Distinctive design 4GB Storage Media of Memory Size capacity the equivalent of 900 songs Storage Media Rechargeable battery life lasts up to 20 hours, 3 minute quick charge for when you're in a hurry Bass Boost function for low end power, Crystal clear OLED display 3 minute Quick Charge What's In The Box !!! NWZ B183 Sony Headphones Quick Start Guide,