# Configuring a Virtual Brainwear device ® #### **Device** Under Devices, you can choose which device you wish to simulate, give it a name and set the battery power indicator to your desired output. **Changing device name** To change the name of your virtual device simply update it in the Device Name input box. This change will take effect automatically. **Setting the battery level** To set the battery level to a specific state, click on the dropdown list and select one of the available states. The related API output value is displayed next to the battery level to help you navigate your selection. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://emotiv.gitbook.io/emotiv-launcher/devices-setting-up-virtual-brainwear-r/configuring-a-virtual-brainwear-device-r.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.