Audio I/O
Model Interface Function
USB-2020
 
USB 2.0 + Mic-In + Speaker-Out Audio device
 
 
USB Hub
Model Interface Function Power Supply Casing Operating Temperature
USB-2560
 
USB 2.0 4-Port USB Hub No Plastic 0 ~ +75 °C
USB-2560/S
 
Yes
USB-2562M
 
No Metal -25 ~ +75 °C
USB-2562M/S
 
Yes