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TF1 Ego VV Battery Features:1.metal part removable
2.Battery replaceable
3.click clock/unclock function.
4. 14650 battery, can be replaced
5. battery capacity:700mah;1000mah;2000mah;
6.vacuum coating battery is available
7.The variours metal part for choice: constant voltage ego metal part, variable voltage metal part, automatic metal part, and evod metal part.
