Supply Voltage: 4.5 – 5.5 V
Current: Less than 40 mA
Digital Interface: 5V TTL level for UART and GPIO
Supports Voice Commands: Maximum 80, with each voice 1500ms
Simultaneous Commands: Max 7 effective at the same time
Arduino Library: Supplied for ease of programming
General Pin Output: User-controlled for custom output
Microphone: Included in the package