<!--
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    "DriverKit: 19.0 -"
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  "identifier" : "/documentation/USBDriverKit/tIOUSBBusVoltage",
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  "title" : "tIOUSBBusVoltage"
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# tIOUSBBusVoltage

A constant for the USB bus voltage.

```
enum tIOUSBBusVoltage : unsigned int;
```

## Topics

### Getting the Voltage Value

[`kIOUSBBusVoltageDefault`](/documentation/USBDriverKit/tIOUSBBusVoltage/kIOUSBBusVoltageDefault)


---

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