Quantity   Component name
2 × Teensy 4.0 A micro controller built by PJRC.
2 × Teensy audio adapter This is a audio board needed for the walkie talkie functionality.
2 × 2.42" monochrome oled
2 × NRF24L01+ PA+LNA
2 × MPU6050 Accelerometer and gyroscope
1 × HC-05 Bluetooth module
1 × TP4050 LiPo charging module