If the kachaka is paused (the LED ring is yellow), or it may not respond to the sound due to the surrounding environmental sound.Please check the following correspondence.
Kachaka's LED ring is lit yellow
If the Kachaka LED ring is yellow lighting, it will not respond to the voice because it is paused.Press the power button short and release the pause.
・ white lighting : Kachaka can hear voice
・ yellow lighting (pause) : Kachaka cannot hear the voice
Kachaka's LED ring is lit white
If the LED ring does not respond when "Neh Kachaka" does not react, it may be spoken in a smaller voice that Kachaka can recognize.Talk clearly with a loud and natural tone.If there are noise such as TVs around, you need to speak loudly.