二 、launch display ◆ Display window is red after the needle is ready
 三、Mild pain ◆ The elastic structure of the inner core of the pen cap reduces the vibration of the blood collection needle and effectively reduces the pain
四、The needle needle withdrawal function ◆ It reduces the accidental injury and avoids the direct contact with the needle
五、Soft operation ◆ Stable structure design, precise processing and improve the operation of the handle |