1. 510 Thread battery with push button, compatiable with all 510 thread cartridge.
2. 320 mah big battery capacity, long battery lifetime
3. Special preheat and variable voltage function.
4. 510 thread USB charger, rechargeable Design.
5. Different colors for option and welcome customized color/logo/packaging.
2. 320 mah big battery capacity, long battery lifetime
3. Special preheat and variable voltage function.
4. 510 thread USB charger, rechargeable Design.
5. Different colors for option and welcome customized color/logo/packaging.
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