| Feature | JUUL2 | Original JUUL | Glas G2 |
|---|---|---|---|
| FDA Authorization | Aug 28, 2026 | Jul 2025 | Mar 12, 2026 |
| Device Type | Closed-pod ENDS | Closed-pod ENDS | Closed-pod ENDS |
| Battery Capacity | 350mAhBEST | ~200mAh | 350mAhBEST |
| Pod Capacity | 1.2mL | 0.7mL | 1.3mLBEST |
| Nicotine Strength | 18mg/mL (1.5–1.6%) | 30 or 59mg/mL (3% or 5%) | 50mg/mL (5%) |
| Est. Puffs per Pod | ~400 | ~200 | ~400+ |
| Authorized Flavors (US) | 2 (Tobacco, Menthol) | 2 (Tobacco, Menthol) | 5 (Tobacco, 2 Menthol, Mango, Blueberry)MOST |
| Coil System | Advanced thermal control | Standard | Triple-coilBEST |
| Charging | Magnetic dock, USB-A (~1 hr) | Magnetic dock, USB-A | Micro-USB (~20 min)FASTEST |
| Activation | Draw-activated | Draw-activated | Draw-activated (pod aligned) |
| Dimensions | ~97mm, 14g | ~95mm, ~7g | Similar pod form factor |
| Battery Indicator | 4 LED lights (tap 2x) | Single LED | App-connected |
| Pod Authentication | Yes (Pod ID chip) | No | Product-specific |
| Age Verification | App-based (one-time setup) | None at device level | Continuous (ID + biometric re-checks)STRICTEST |
| Bluetooth | Yes (optional app use) | No | Yes (required, continuous) |
| Device Lock | Yes (if verification fails) | No | Yes (locks without paired phone) |
| Manufactured In | USA (TN, WI, MD) | Various | USA |
| UK Availability | Since 2021 | Yes (limited) | US only |
| Switching Rate (Mfr. Study) | 28.4–49.3% (menthol)HIGHEST | Not separately cited | Not separately cited |
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