> For the complete documentation index, see [llms.txt](https://guide.petoi.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://guide.petoi.com/product/bittle-x-v2.md).
# Bittle X V2
**Bittle X V2** is an open-source, voice-controlled robot dog. It's a new breed of robotics dog for everyone to learn and play with.
The small but mighty robot has these amazing features:
* Respond to voice commands, performing over **35 predefined actions** such as sit, push-up, and backflip with high-performance, lifelike movements. You can switch between English and Chinese using simple voice commands.
* Can be programmed with **10 more customized voice commands** to perform skills you create. The voice command can be any sound, so it is not necessary to be mapped to any spoken language.
* Support **Petoi** **Coding Blocks and Petoi Web Coding Blocks(block-based Scratch-like), C++, and Python**.
* **Free** [C++](https://www.petoi.com/pages/free-cplusplus-quadruped-robotics-curriculum) and [Petoi Coding Blocks](https://www.petoi.com/pages/free-quadruped-robotics-curriculum-scratch-coding)(block-based Scratch-like) **curriculums**.
* Equipped with BiBoard V1, a high-performance **ESP32** development board supporting additional modules for robotics/AI/IoT applications.
* Support feedback servos for easy robotics skill creations
* Built-in gyroscope and back touch sensor for intuitive human-robot interactions.
If you have questions about “why” rather than “how”, please post on [our forum](https://www.petoi.camp/) or [contact us](https://www.petoi.com/pages/contact-us).
{% hint style="info" %}
There are some [supporting applications and software](https://docs.petoi.com/technical-support/supporting-application-and-software) and [FAQ](https://docs.petoi.com/technical-support/faq-frequently-asked-questions) for your reference.
{% endhint %}
You can support us by shopping at [Petoi Coding Robot Shop](https://www.petoi.com/store).
Our social media (Instagram/Twitter/Facebook/GitHub) account is **@PetoiCamp**.
Share your build by tagging **#bittle\_x #petoi #opencat** so that we can repost it for you!
---
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