Function Identification: Transmitter
1.
Charging Cradle
2.
LED Indicator of Tone Clarity
3.
Tone Clarity Button
4.
LED Indicator of Power
5.
LED Indicator for Audio Signal
6.
LED Indicator for Battery Charging
7.
DC In
8.
Power ON/OFF
9.
Mono/Stereo Switch
10. 3.5mm Audio In Socket