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 from $149.97 CAD
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.
Typical price
$250
Sold by The Stash Shack
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.
Current price
$149.97CAD
at Mind Vapes
Prices are read automatically from retailer pages and were last checked Aug 27, 2026; confirm the price at checkout. Some links are affiliate links, which support Thermal Extractions at no extra cost to you.
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) | 4 Voltage Settings |
| 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 4 voltage settings. 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.