See information about iPod touch. Go to Settings > General > About. The items you can view include:
Number of songs, videos, photos, and applications
Capacity and available storage space
iOS version
Model number
Serial number
Wi-Fi and Bluetooth addresses
Diagnostics & Usage and Legal (including legal notices, license, warranty, regulatory marks and RF exposure information)
To copy the serial number and other identifiers, touch and hold the identifier until Copy appears.
To help Apple improve products and services, iPod touch sends diagnostic and usage data. This data does not personally identify you, but may include location information.
View or turn off diagnostic information. Go to Settings > General > About > Diagnostics & Usage.