English
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Before you begin
See figure 1 on page 1.
Take a moment before you get started to familiarize yourself with your new 
H780 Headset. 
1  Speaker
2  Call Button
3  Volume Buttons
4  Power Switch
5  Microphone
6  Noise Cancellation Button
7  Indicator Light/Microphone (on side)
Charging your headset
See figure 2 on page 1.
The indicator light turns red when the battery is charging. It may take up to 
1 minute for the indicator light to turn on. When the headset’s battery is fully 
charged (about 2 hours), the indicator light turns green.
Note: Headset is not functional while charging.
This product uses a lithium ion, rechargeable, non-replaceable battery. 
Your battery is designed to last the life of the product. It should only be 
removed by a recycling facility. ANY ATTEMPT TO REMOVE OR REPLACE 
YOUR BATTERY WILL DAMAGE THE PRODUCT.