Each product has a unique model number.A model number usually starts with letters followed by series of numbers, e.g. GC6440, 37PFL7403D/10 or SA1300/02.
There are a few different ways you can locate your model number:
Look on the box
Look inside the product
Look on the product
Look on the manual
Make it wireless
Stream music and video from your PC*
Built-in WiFi-n for faster, wider wireless performance
WiFi-n, also known as IEEE 802.11n, is the new wireless network standard. It includes many new options to improve the quality of the wireless link, offering faster speed and wider range compared to previous WiFi standards. WiFi-n also features backward compatibility, which makes it possible for this player to transmit to and receive from routers that operate on older WiFi standards.