Awọn ẹya ara ẹrọ: Lilo imọ-ẹrọ micro-power, wiwọn wiwọn 1 keji, agbara batiri (igbesi aye batiri ≥6 ọdun) Lilo imọ-ẹrọ wiwọn ṣiṣan acoustic, le ṣe aṣeyọri fifi sori igun-pupọ, ohun elo ko ni ipa nipasẹ wiwọn, apẹrẹ tube tube, rara ipadanu titẹ Agbara pipa aabo…
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