7.3 nti HM730Dot Matrix EPD Graphic ScreenHuab-tswjNqe nyob rau hauv vib nas this5-xyoo roj teebStrategic PricingBluetooth LE 5.0
4.4 nti HM440
Dot Matrix EPD Graphic Screen
Huab-tswj
Nqe nyob rau hauv vib nas this
5-xyoo roj teeb
Strategic Pricing
Bluetooth LE 5.0
3 nti HM300
2.4 nti HM240