Petoi Micro bit Coding Controller For Bittle X, Bittle X+Arm, Nybble Q

Petoi Robot Controller (Micro bit coding controller) includes a 4-direction joystick and four undefined buttons. To enhance the gaming experience, it is also paired with a buzzer and vibration motor. It is compact in appearance, comfortable in hand, and can be remotely controlled. By using micro:bit block-based coding, you can customize the gamepad control button functions to map them to whatever robot skills you desire. Supported Petoi Robots 

Bittle X , Bittle X+Arm , Nybble Q

It works with robots running on BiBoard , not NyBoard.
See the documentation  for more information. What’s included
1 gamepad controller with micro:bit v2 board included
1 battery holder — 2xAAA. The batteries are not included.
1 USB data cable