Processor family: ESP32, Developer board series: M5 ATOM, Number of processor cores: 2, Integrated graphics: No, Interfaces: USB Type C, Grove 4-Pin
- 0.5 W NS4168 speaker and SPM1423 microphone
- Flash memory: 4 MB
- SoC: ESP-Pico D4 with 240 MHz dual-core
- Connectivity: USB-C, Bluetooth Low Energy 4.0, Wi-Fi IEEE 802.11b/g/n
- Interface: 1x IR transmitter, 2x buttons
- Application suggestions: Bluetooth speaker, voice control, IoT projects