Anker Soundsync A3341 - At a Glance; 3.5 mm AUX Input Port

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EN
At a Glance
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1
3.5mm AUX input
2
SPDIF Transmitter input port
3
SPDIF Receiver output port
4
Micro USB charging port
5
Power switch / Multi-function button
6
Battery indicator / Status indicator
7
Transmitter mode(TX) switch / Receiver mode(RX) switch
please charge the Bluetooth Transceiver before first use.