Specifications module will help you to add product specifications that will be displayed in a table format. You can create specification sets for different products and also categorize your specification fields. These specifications are displayed neatly on your product page, in a tab next to Product Details.
Scroll down to the bottom of the Preferences page and select the Show radio button for the Specifications field.
Click Save after you're done.
Click Add Specification to get started.
Enter your product type (Mobiles, Computers) as your Specification Name and click Next.
Enter a Group Name. You can classify your specifications set according to different groups. Enter the Field and Values below. Click Add New Field for including new fields.
Delete a field using the [] icon. Click Save once done.
Once you've created a group, click Add Group to add more groups or Add Specification to add a new specification set.
Click the Ellipsis icon [] and drag your group to a new location to reorder it. Click Save after you're done, or Reset to start over.
Add Specifications to Products
Go to Products and click the product you want to add specifications. Alternatively, you can also add specifications to a new product.
Scroll down to the Specifications section at the botton of the page and then Choose Specification Set from the drop-down box.
Select values for the fields you wish to display. Fields with no values won't be displayed.
Click Save after you're done.
Your specifications will now be displayed for each product oce you have published your store.