5000 cst dimethyl silicone oil is the chemical state of polydimethylsiloxane. According to the relative molecular weight, the appearance varies from colorless and transparent volatile liquid to viscous liquid or silica gel.
-Made of medica silicone ,have good biocompatibility ,non-toxic.-Strengthen nek and tip eases insertion and prevents folds-Soft seal cuff minimizing potential trauma and increasing sealing .-Available with seven sizes for all patient use-With or without A
Two ways to charge 1.Connect the V1 device with computer by the USB-B interface cable2.Connect the V1 device with charger by the USB-B interface cable 3.Charge time :70 minutes 4.Indication :when charge has been finished ,the red LED will be off