Rear panel
CONNECT button
Used for Wi-Fi setup. link
NETWORK connector
Used to connect this unit to a wired Ethernet network. link
USB port
Used to connect USB memory devices. link
AC inlet
Used to connect the power cord. link
Bluetooth button ( 
)
Used in the Bluetooth pairing settings. link
AUX input connector (AUX IN)
Used to connect audio devices. link
Mounting screw hole
Used when mounting this unit to the wall or ceiling. link