A:AnswerHello Supportagent1234! When you press the mute button located below the on/off switch, If you hear an ascending tone, this means that the microphone is actively in use, the descending tone means that the mute is on.
A:AnswerYes, the H600 is compatible with Windows 7. There shouldn't be any installing necessary as it is just plug and play. If it isn't working after plugging it in, I would recommend downloading our Headset Pairing Utility software here https://support.logi.com/hc/en-us/articles/360024838473--Downloads-Wireless-Headset-H600 just in case it got unpaired from the receiver.
A:AnswerHello, the H600 features a USB dongle for wireless connectivity. It does not have or rely on bluetooth connection. The dongle allows for a one-to-one connection with your headset providing crisp and clear audio.