> For the complete documentation index, see [llms.txt](https://emotiv.gitbook.io/cortex-manual/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://emotiv.gitbook.io/cortex-manual/setting_up_your_eeg_device/connected_headset.md).

# Connected headset

Once the headset is connected you will see the connected headset panel appear in the Devices tab.

![](/files/-LIeS0pkQ3gBIAURILOR)

The connected headset panel displays the following headset information:

**Headset info** includes the headset name and headset ID

**Battery indicator** shows you at all times the percentage of battery you have remaining in your headset.

![](/files/-LIeS0pmFKG4EZhMuMz7)

**Contact quality indicator** shows you in real time your overall contact quality averaged across all sensors on your headset on a scale from 0-100.

![](/files/-LIeS0po-FoWOikvXUXR)

**Connection type indicator** shows if your headset is connected via Bluetooth, Dongle (USB Receiver) or USB Cable (EPOC+).

![](/files/-LIeS0pqQjt3Kj83UWfN)