- Battery :
- Li-Ion rechargeable battery
- Capacity : 1000 mAh
Common DC Characteristic :
- Supply Voltage : 5V via USB port or Internal li-on battery
- Operating Temperature : -40 to 60°C (-40 to 140 °F)
- Espressif ESP32 PICO D4
- MCU : ESP32 PICO D4
- Bluetooth : Bluetooth V4.2 BR/EDR and Bluetooth LE
- WiFi : 802.11 b/g/n (802.11n up to 150 Mbps)
- RAM : 449 Kb
- EEPROM : 520 Kb
- Clock Speed : 32 MHz