Sure Electronics JAB2 Connection Manual page 21

14, Extension port – J6
You can connect JAB2 with Interface extension board (AA-
JA11112) through J6.
The interface extension board provides:
1. 3.5mm AUX IN port
2. Mute switch
3. USB charging port x 2. Two USB charging ports are both
available for BC1.2 Protocol, which can charge all the portable
devices, with 2.1A maximum per port.
4. Power indicator and mute indicator
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