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

# Device Specifications

> Technical details, hardware features, and maintenance information for your Deepthroat Trainer

Your Deepthroat Trainer is designed to be straightforward to use and maintain. This section covers the technical specifications you need to know, from keeping your device charged to connecting accessories for enhanced training sessions.

## Hardware overview

The Deepthroat Trainer features:

* **USB-C charging port** for convenient, fast charging
* **3.5mm accessory port** for connecting vibrating accessories
* **Power switch** for easy on/off control
* **128x64 OLED display** for real-time feedback
* **RGB LED strip** (3 LEDs) for position feedback
* **Front button** for interaction and control
* **Ultrasonic distance sensor** for position tracking

## Distance sensor specifications

| Specification   | Value                  |
| --------------- | ---------------------- |
| Maximum range   | 22.5 cm (\~9 inches)   |
| Dead zone       | 1.7 cm (\~0.67 inches) |
| Effective range | 20.8 cm (\~8.2 inches) |
| Minimum stroke  | 0.8 cm (\~0.3 inches)  |

<Info>
  For detailed sensor information, see the <a href="/dtt/technical/sensor-limits">Sensor Specifications</a> guide.
</Info>

## In this section

<CardGroup cols={2}>
  <Card title="Charging your battery" icon="battery-bolt" href="./charging">
    Learn how to charge your device, check battery status, and troubleshoot power issues.
  </Card>

  <Card title="Accessory port" icon="plug" href="./accessory-port">
    Technical details about the 3.5mm TRRS jack for connecting reward accessories.
  </Card>
</CardGroup>

<Info>
  Looking for setup instructions? Head to the [Quick Start guide](../quick-start) to pair your device and begin training.
</Info>