> For the complete documentation index, see [llms.txt](https://help.appybuilder.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.appybuilder.com/components/reference/legomindstorms/ev3sound.md).

# Ev3Sound

A component that provides a high-level interface to a LEGO MINDSTORMS EV3 robot, which provides sound functionalities.

## Properties

### BluetoothClient

The BluetoothClient component that should be used for communication. Must be set in the Designer

## Methods

### PlayTone (number volume, number frequency, number milliseconds)

Make the robot play a tone.

### StopSound ()

Stop any sound on the robot.