lk87 lk88 lk89 gem led tft hand-hold pulse oximeter oximeter saturation detection

[foreign trade] lk89-led four colors [foreign trade] lk89-tft four colors [foreign trade] lk87-led four colors [foreign trade] lk88-tft four colors [foreign trade private model] q2-tft soft light [foreign trade private model] a6-children blood oxygen machine three colors optional [chinese style] kang heng kh501 blood oxygen machine

hand-hold pulse oximeter