Sony NWZB105FBLK Operation Guide - Page 4

Getting Started Thank you for purchasing the NWZ-B103F/B105F*1. By transferring songs from your computer to the player by drag and drop, you can enjoy them wherever you go. You can also listen to FM radio and record voice using the player. Supplied Accessories Please check the accessories in the package.  Headphones (1)  CD-ROM *2 *3 (1) - MP3 Conversion Tool - Operation Guide (this manual)  Quick Start Guide (1) About the serial number The serial number provided for the player is required for the customer registration. The number is shown on the rear of the USB connector base of the player. Serial number *1 Depending on the country/region in which you have purchased the player, some models may not be available. *2 Do not attempt to play this CD-ROM in an audio CD player. *3 Depending on the country/region in which you have purchased the player, the supplied software may be different.