, it provides freshness and desired flavour with VG:PG 50:50 e-liquids or nicotine salts. It is draw-activated and does not have any buttons. The pod holds 2ml of vape juice and has a cap. https://www.vapeuniverse.co/products/smok-novo-2x-pod-system-kit-800mah?pr_prod_strat=e5_desc&pr_rec_id=ddd2a12f9&pr_rec_pid=8190413046012&pr_ref_pid=7846690947324&pr_seq=uniform