Niceboy VOICE CALL PRO Bedienungsanleitung Seite 6

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1. Power on LED indicator
2. Power speaker on/off – press to power speaker on/off.
3. Power microphone on/off – press to power microphone on/off.
4. Amplify/dampen speaker – used to control the speaker volume levels.
5. mini USB port – used for connecting to a PC.
6. 2.5 mm input – used for connecting an external microphone.
7. 3.5 mm input – used for connecting external headphones.
8. Speaker + omnidirectional microphone
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