Seventy five ohm coil for big vapor generation and an 850 mAH battery so it can last. The machine is disposable, not rechargeable with each and every pull supplying a fulfilling cloud of flavor saturated goodness. Some thing our prospects have come to really like in MYLE units. The Elf https://messiahcbyur.wikigop.com/657953/geek_bar_digi_flavor_20_no_further_a_mystery