1. Sliding top filling cartridge, quick and convenient, adjustable airflow
2. Two resistances of Valyrian coil: 0.6Ω for DTL and 1.0Ω for MTL
3. 1250mAh built-in battery, maximum output wattage reach up to 25W
4. Simple classic appearance, PCTG & Aluminum Alloy material, compact & durable
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