Motorola HF820 ユーザーズマニュアル

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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. One-Watt Speaker: Plays the other 
party’s conversation during a call.
8. Charging Port: Plug in the charger to 
charge the portable speaker battery.