Description
Sanofi’s JuniorSTAR doses in half-unit (0.5u) increments — ideal when fine control matters. Manual delivery with audible clicks.
Blue finish. Max 30 units per dose; blocks doses larger than what remains. Includes a travel case.
📘 Manufacturer manual: View the JuniorSTAR Pen Manual (PDF)
Feature summary
| Dosing | Manual |
|---|---|
| Clicks / silent on dosing | Clicks |
| Adapter / modding required | ✖ |
| Dose increments | 0.5 unit |
| Max dose | 30 units |
| Uses standard 3ml cartridges | ✔ |
| Cartridge use | Needs spacer |
| Blocks doses larger than remaining | ✔ |
| Dose memory / digital tracking | ✖ |
| Works with most pen needles | ✔ |
| Bluetooth / NFC | ✖ |
| Hides needle | ✖ |
| Colors available | Blue |
| Travel case | Included |
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All products sold by Daro Pep Accessories are strictly for research purposes only and are not intended for human or animal consumption.






T.H. (verified owner) –
My partner loves this pen. I originally got it for me to dose half units however she got her hands on it and fell in love with it.
She has smaller hands and likes a thinner pen that easier to push than a thicker pen. I might have to order another one for myself since it’s been hijacked. lol.
Gene (verified owner) –
This is my primary pen, I have several. Needs a spacer (look for 3/8 inch or 9mm flat washers) to make sure the cartridge empties, but this is truly minor. Robust, precise, easy to use, wastes only 1/2 unit per shot for the purges.