You can find the information by checking the product information page.
IMPORTANT: The specifications information of legacy products may not be listed.
Here's an example on how to locate NW-WM1Z product specifications
- Open the Sony Support Page and enter the product name to search.
- Click on the product which you searched.
- Click on Specifications to the top left of the page.
- The specifications information of the product you searched for will be displayed.