In addition to connecting wireless with Bluetooth-compatible smartphones and PC's, a wired connection with CD or record players using the AUX input jack is also possible.
Examples of Bluetooth Connection Use:
• Smartphones, PCs, tablet devices
• iPod Touch, MP3 players
• Bluetooth-compatible record players and audio devices
Examples of External Input Jack (AUX) Use:
• CD players, record players
• Older-generation iPods and MP3 players (not compatible with Bluetooth)
• Other smartphones, PCs, and audio equipment capable of output via 3.5mm stereo minijack