> For the complete documentation index, see [llms.txt](https://think2switch.gitbook.io/think2switch-knowledge-guide/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://think2switch.gitbook.io/think2switch-knowledge-guide/before-you-get-started/what-you-need-to-use-think2switch-tm.md).

# What you need to use Think2Switch™

To use Think2Switch™, you will need:

#### 📱 1. Apple device

* An iPhone or iPad
* Running iOS or iPadOS 18 or later

Think2Switch™ works on most iPhones and iPads from 2019 and newer. 

#### 👤 2. Headset

Think2Switch™ works with two Muse headsets:

* [Muse Athena](https://ca.choosemuse.com/products/muse-s-athena?variant=42181300584534)
* [Muse 2](https://ca.choosemuse.com/products/muse-2)

The Muse Athena is softer and more flexible than Muse 2.  We recomment it for:

* Children
* Anyone who will wear the headset for a long time

#### **Need to buy a headset?**

You can purchase a Muse headset using the code '**possneuro**' at checkout or by clicking on this [link](https://choosemuse.com/possneuro).

#### Optional items

* Smart plugs and devices that support Apple HomeKit and/or Matter
  * If you want to control everyday corded devices (like lights, fans, appliances, etc.)