Riō Volt SP250
| Brand | Riō |
| Manufacturer | Sonic Blue |
| Function | CD, Media Player (MP3 / WMA), Radio Receiver (AM / FM) |
| Produced | 2001 |
| Country | China |
| Form Factor | Portable |
| Power | 2 AA batteries or 4.5 VDC power supply |
| Channels | 2 Channel |
| Notes | Plays CD, CD-R and CD-RW media 8 minute anti-skip protection Travel case with strap Carry case with belt clip Portable folding headphones & earbuds Wired remote Computer software for making digital audio files from multiple sources Built in FM antenna |