Global Smart Insulin Pen Market Size, Share, Growth Analysis By Product Type (Reusable Smart Insulin Pens, Disposable Smart Insulin Pens, Smart Pen Caps & Add-On Connectors), By Diabetes Type (Type 1 Diabetes, Type 2 Diabetes), By Connectivity Technology (Bluetooth, NFC, USB), By End-User (Homecare, Hospitals, Retail Pharmacies), Digital Diabetes Management Trends & Forecast 2026-2034