The Sony Walkman Z series is a discontinued Android 2.3-based portable media player manufactured as a part of Sony's Walkman line of music players.

It was the first Walkman that ran on the Android operating system.

[1][2] The device was available in 8, 16, 32 and 64 gigabyte versions, and is equipped with a dual core one gigahertz Nvidia Tegra 2 processor, 512 megabytes of RAM, a 4.3-inch (11 cm) screen, WiFi, Bluetooth, GPS capabilities and a gyroscope.

It sports Sony's proprietary S-Master MX digital amplifier, and supports various audio and video formats.

Some Japan models also include noise cancelling, as seen on the previous Walkman X series.