Price: $29.99
(as of Sep 30, 2024 10:31:45 UTC – Details)

Feature
Support maximum 80 voice commands, with each voice 1500ms (one or two words speaking)
Maximum 7 voice commands effective at same time
Arduino library is supplied
Easy Control: UART/GPIO
User-control General Pin Output

Voltage: 4.5-5.5V
Current: <40mA
Digital Interface: 5V TTL level for UART interface and GPIO
Analog Interface: 3.5mm mono-channel microphone connector + microphone pin interface
Recognition accuracy: 99% (under ideal environment)；Size: 31mm x 50mm