# MyPhoneSpeaker docs

> Technical reference for the MyPhoneSpeaker browser tools: the exact tone parameters, the browser APIs each tool uses, browser support, and what data each tool stores.

Technical reference for the MyPhoneSpeaker tools. The full site index is the llms.txt file at the site root. Each link below goes to the Markdown version of a page; the HTML page is at the same URL without `index.md`.

## Docs

- [MyPhoneSpeaker docs: technical reference for the tools](https://myphonespeaker.com/docs/index.md): Technical reference for the MyPhoneSpeaker browser tools: the exact tone parameters, the browser APIs each tool uses, browser support, and what data each tool stores.
- [Water eject tone specification: protocol version 1 parameters](https://myphonespeaker.com/docs/tone-specification/index.md): Exact parameters of the MyPhoneSpeaker water eject tone, protocol version 1: sine waveform, pulse timing, the 10 pulse frequencies from 150 to 300 Hz, fades and cycle pauses.
- [Tool reference: how each MyPhoneSpeaker tool works in the browser](https://myphonespeaker.com/docs/tool-reference/index.md): What each MyPhoneSpeaker tool does in the browser: the Web Audio signals of the speaker check, the microphone settings of the mic test, the problem finder results and the drying timer.
- [Browser support: which phone browsers run each MyPhoneSpeaker feature](https://myphonespeaker.com/docs/browser-support/index.md): Which versions of Chrome, Safari on iPhone, Samsung Internet and Firefox support the browser features MyPhoneSpeaker uses, and what each tool does when a feature is missing.
- [Data and storage: what MyPhoneSpeaker keeps on your device and sends](https://myphonespeaker.com/docs/data-and-storage/index.md): Technical reference of the data MyPhoneSpeaker handles: every browser storage key, the anonymous events and their fields, the report and contact form fields, and the offline cache.