The Cool Fire IV is a powerful, compact and intelligent device from Innokin Technology.
Features:
- Variable voltage : 3.0 – 7.5 volts
- Variable wattage: 6.0 – 40.0 watts
- 2000mAh battery
- Resistance: 0.3Ω – 2.5Ω
- On/off battery switch
- Low voltage warning
- Short circuit protection
- Over discharge protection
- Over heat protection
- Remembers last voltage or wattage setting
The iSub Features:
- 100% stainless steel
- High quality pyrex glass
- Japanese organic cotton
- 3.8ml capacity
- Full adjustable airflow
- No-spill coil swap system
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