Wotofo Profile RDA is designed by Wotofo. The Profile RDA applies mesh coil which features 0.18ohm and supports 40-60W wattage range. The coil is fast heating and bring excellent pure taste. It compatibles with both of mesh wires and traditional wires. The spring-loaded ceramic ensures contact between mesh and cotton. Side adjustable airflow system for huge cloud production. The RDA also supports squonk pin for bottom refill.