Trouble Shooting
1. No sound in headset
Ensure the connection is correct; ensure USB port of your computer
is in good condition; ensure the 3.5mm audio connector plugs into
the jack perfectly; ensure the mute function is off
2. A sharp voice in speaker or microphone
The volume maybe too loud or the microphone is too close to your
mouth. Please adjust your speaker to a suitable volume and the
microphone in a proper distance
3. Hear some buzz sound when you call
Try to use another USB port. The contact for USB port might be poor
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