The Aspire Onixx is a compact MTL starter kit designed to give newer users the best of the BP coil line. Delivering some of the most flavorful MTL clouds ever imagined. The Onixx is a Zinc-Alloy device with PU leather finish, powered by an internal rechargeable 2000 mAh battery. It�s button fired and operates from 1-40W. The Onixx tank is compatible with the MTL coil options from the BP series, as well as the BP RBA accessory. The tank holds 2mL with the straight glass and 3mL with the included bubble glass. Bottom adjustable airflow rotates between a single slot-style and 5 MTL predrills.