SMOK TFV4 MINI, best match with X CUBE mini, which features eight brand new cores: TF-CLP2, TF-S6, TF-RCA, TF-Ti, TF-N2, TF-N2 Air Core, TF-T2, and TF-T2 Air Core, top refill design, improved airflow system and innovative drip tip to give fans unexpected vaping experience.