Audio
Sensors
Debugging Port
Others
Microphone Single
Speaker Stereo speakers *2
9-axle motion tracking sensor *1
Motherboard temperature sensor *1
POGO 4PIN *6
Built-in sensor
Extended port
HDMI 1
GPIO 40 (6 of them are used)
USB 2
Control Mode Mobile software (APP); voice control
Keys
ON/OFF key on the chest;
Emergency Stop key on the top