7.3 iniha HM730Kiʻi Kiʻi Dot Matrix EPDMālama ʻia ke aoKumukuai i kekona5- makahiki pākahiKūʻai KūʻaiBluetooth LE 5.0
4.4 iniha HM440
Kiʻi Kiʻi Dot Matrix EPD
Mālama ʻia ke ao
Kumukuai i kekona
5-makahiki Battery
Kūʻai Kūʻai
Bluetooth LE 5.0
3 iniha HM300
2.4 iniha HM240