







FireFly
Key Features
Truly Cordless – Built-in rechargeable battery (USB-C) for on-the-go use
COB Technology – 25 × 3 W diodes densely packed into a 1-inch array, paired with a 30° cone-shaped lens for optimal light concentration and retention
Flicker-Free + Zero EMF – Delivers clean, stable light without being connected to the A/C power grid
630 nm, 670 nm + 830 nm Wavelengths – Balanced 2:1 red and near-infrared output for versatile application
Luxury Travel Case – Compact, rugged, water-resistant design ideal for travel and daily use
The FireFly uses advanced COB (Chip-on-Board) technology to minimize light loss and maximize intensity—enhancing optical efficiency and delivering a concentrated, high-output experience.
As the world’s first handheld, battery-powered COB light device, FireFly is patent-pending and engineered with purpose—to make professional-grade light technology truly portable.
Once again, EMR-TEK proudly leads the way—pushing boundaries so you can experience light, simplified and refined.
Product Details
| Product name | battery powered cob | Unnamed: 2 | Unnamed: 3 |
|---|---|---|---|
| Actual power | 15W±5% DC | Shell color | |
| LED Q’ty | 40pcs 3030 LED (660nm*20pcs, 850nm*20pcs) | ratio | 660nm:850nm=1:1 |
| Charging voltage | DC9V 2A | Battery capacity | 8.4v 2600mAh |
| Charging mode | Type C | Load current | 0.8A |
| Charging time | 1h30min | Endurance time | 50min |
| temperature | -20~40℃,45%~95%RH | lifespan | LED:20000 Hours |
| Product size | L142*W101mm *H30mm | Product weight | 301g |
| Inner box size | L280*W193*H134mm | Single weight | 630g |
| Carton size | G.W. | ||
| Intensity | 1inch 210mW/c㎡, 2inch 170mW/c㎡, 3inch 150mW/c㎡, 4inch 110mW/c㎡, 5inch 88mW/c㎡, 6inch 72mW/c㎡, 7inch 60mW/c㎡, 8inch 55mW/c㎡ | ||
| EMF | Electric radiation:0cm/0V/m Magnetic radiation:0cm/2mG,5cm 00mG |
Important Safety Info
Use only as directed. Device may become hot—avoid direct skin contact. For indoor use only. Do not use while sleeping. Always wear the included eye protection.
This is a general wellness device and is not intended to diagnose, treat, cure, or prevent any disease. Consult a healthcare provider if you have any medical concerns.
How To Use Your Light
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