- Power Port : USB Type-A
- Supply Voltage: 3.0 V to 6.0 V
- Supply Current :
- Minimum : 500 mA
- Average : 80 mA
- Bluetooth : Bluetooth 4.2
- Distance : 100 meters in the open space
- Transmission : Wi-Fi
- Chipset : ESP32-PICO-D4
- Frequency Band : 2.4 GHz
- Wi-Fi Protocol : 802.11 b/g/n
- Flash Size : 4MB