2.Headset Jack: Plug in an extra headset during phone conversations.
3.Microphone: Picks up your voice during a call.
4.Lanyard Loop: Attach a lanyard, so you can wear the portable speaker around your neck.
5.Mute Button with LED Indicator: Mutes the microphone during a call, and provides visual indication when the microphone is muted.
6.Volume/Power Button: Turns the portable speaker on/off, and adjusts portable speaker volume.
7.
8.Charging Port: Plug in the charger to charge the portable speaker battery.
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