> ## Documentation Index
> Fetch the complete documentation index at: https://docs.rebellapp.com/llms.txt
> Use this file to discover all available pages before exploring further.

# my.offBLEConnectionStateChanged

> Stop listening for BLE connection state changes.

Use this API to remove a listener registered with `my.onBLEConnectionStateChanged`. If no callback is provided, all listeners are removed.

## Parameters

| Property | Type     | Required | Description                                                             |
| -------- | -------- | -------- | ----------------------------------------------------------------------- |
| callback | Function | No       | The specific callback to remove. If omitted, all listeners are removed. |

## Code Example

### Remove All Listeners

```javascript theme={null}
my.offBLEConnectionStateChanged();
```

### Remove Specific Listener

```javascript theme={null}
Page({
  onLoad() {
    my.onBLEConnectionStateChanged(this.handleConnectionStateChange);
  },

  handleConnectionStateChange(res) {
    console.log('Connection state:', res.connected);
  },

  onUnload() {
    my.offBLEConnectionStateChanged(this.handleConnectionStateChange);
  }
});
```

<Warning>
  IDE simulation is not supported for this API. Test on a real device.
</Warning>

## Related APIs

<CardGroup cols={2}>
  <Card title="my.onBLEConnectionStateChanged" icon="bell" href="/jsapi/device/bluetooth/my.onBLEConnectionStateChanged">
    Listen for connection state changes
  </Card>

  <Card title="my.disconnectBLEDevice" icon="link-slash" href="/jsapi/device/bluetooth/my.disconnectBLEDevice">
    Disconnect from a BLE device
  </Card>
</CardGroup>