Price (USD)
Session Odyssey edgeFirefly 2+
$250
Session Odyssey
$50
Session Odyssey is typically around $200 lower.
Vaporizer Comparison
Firefly 2+ vs Session Odyssey
Side-by-side specs, pricing context, and clear decision guidance.
Firefly 2+
Firefly Vapor $250
VS
Session Odyssey
Kandypens $50
Editorial Summary
Firefly 2+ and Session Odyssey are both portable / electronic vaporizers, but they target different priorities. Session Odyssey is usually the lower-cost pick at $50, around $200 below Firefly 2+. Session style, airflow, and extraction behavior will matter more than raw spec sheet numbers here.
Specs Compared
24
Different Specs
23
Shared Specs
1
Overall Overlap
4%
Shared Traits
Portable Electronic
Head-to-Head Highlights
A quick snapshot of the specs people usually care about first.
Weight
Session Odyssey edgeFirefly 2+
~140g
Session Odyssey
~125g
Session Odyssey is the lighter listed unit.
Heating Style
Close callFirefly 2+
Convection
Session Odyssey
Conduction
Heating style differs, which can impact flavor and extraction behavior.
Key Differences at a Glance
Top specs where these two devices diverge.
Price (USD)
Firefly 2+
$250
Session Odyssey
$50
Heating Type
Firefly 2+
Convection
Session Odyssey
Conduction
Temperature Range
Firefly 2+
93°C - 260°C
Session Odyssey
N/A
Chamber Capacity
Firefly 2+
~0.15g
Session Odyssey
Up to ~0.2g
Battery Type
Firefly 2+
Removable (proprietary)
Session Odyssey
Internal
Battery Capacity
Firefly 2+
770mAh
Session Odyssey
1200mAh
Battery Life
Firefly 2+
<90 minutes
Session Odyssey
~10 sessions
Charging
Firefly 2+
Proprietary Dock
Session Odyssey
USB-C
Charge Time
Firefly 2+
~45 minutes
Session Odyssey
~1 hour
Weight
Firefly 2+
~140g
Session Odyssey
~125g
Choose Firefly 2+ if...
- You prefer a convection heating profile.
- Your usage leans toward premium and battery swap sessions.
- You prefer Firefly 2+'s overall feature mix and form factor.
Choose Session Odyssey if...
- You want the lower listed entry price ($50 vs $250).
- You prefer a conduction heating profile.
- Your usage leans toward concentrates and budget sessions.
Spec Comparison Table
Direct comparison of every spec from each device profile.
23 differ 1 shared
| Specification | Firefly 2+ | Session Odyssey |
|---|---|---|
| Price (USD) | $250 | $50 |
| Device Type | Portable | Portable |
| Heating Type | Convection | Conduction |
| Heat Up Time | ~3 seconds | — |
| Temperature Range | 93°C - 260°C | N/A |
| Chamber Capacity | ~0.15g | Up to ~0.2g |
| Battery Type | Removable (proprietary) | Internal |
| Battery Capacity | 770mAh | 1200mAh |
| Battery Life | <90 minutes | ~10 sessions |
| Charging | Proprietary Dock | USB-C |
| Charge Time | ~45 minutes | ~1 hour |
| Pass-Through Charging | No | — |
| Dimensions | 129x36x24mm | — |
| Height | — | 6.4cm |
| Weight | ~140g | ~125g |
| Power Adjustment | Digital (precise) | Modular - 3 Stages |
| Chamber Material | Glass | Ceramic |
| Concentrate Support | — | Yes |
| Brand | Firefly Vapor | Kandypens |
| Body Material | — | Aluminum Alloy |
| Chamber Type | Ceramic | — |
| Release Date | 2019 | — |
| Session Style | On-Demand | — |
| Warranty | 2 years | — |
Comparison FAQs
What is the biggest difference between the Firefly 2+ and the Session Odyssey?
The biggest practical difference is price tier: the Session Odyssey sits at $50 while the Firefly 2+ is $250, a gap of about $200 that puts them in different buying brackets.
Which is cheaper, the Firefly 2+ or the Session Odyssey?
Session Odyssey is the cheaper option at $50 compared with $250 for the Firefly 2+, about $200 less. Live retailer pricing can shift, so confirm before buying.
What's the difference in heating between the Firefly 2+ and the Session Odyssey?
Firefly 2+ uses convection heating, while the Session Odyssey uses conduction. Heating style influences flavor profile, vapor density, and how forgiving the device is to draw technique.
Does the Firefly 2+ or the Session Odyssey hold more flower?
Session Odyssey has the larger chamber at Up to ~0.2g, versus ~0.15g on the Firefly 2+. A bigger bowl means fewer reloads on long sessions; a smaller one suits microdosing and quicker bowls.
Which is lighter, the Firefly 2+ or the Session Odyssey?
Session Odyssey is the lighter unit at ~125g, around 15g less than the Firefly 2+ at ~140g. The lighter device is easier to carry and pocket day-to-day.
Can I swap the batteries on the Firefly 2+ or the Session Odyssey?
Firefly 2+ uses removable (proprietary), so you can carry spares for back-to-back days. The Session Odyssey has a built-in battery you can't swap on the go.
Can I set custom temperatures on the Firefly 2+ or the Session Odyssey?
Firefly 2+ controls heat with digital (precise), while the Session Odyssey uses modular - 3 stages. Firefly 2+ gives you finer per-degree control.
Need a different matchup?
Jump into the comparison hub to pick any two devices and open a canonical side-by-side page.