Each machine options an progressive dual-chamber system, permitting you delight in two strains or flavors in one smooth vape pen. You may switch among chambers right away, supplying you with a lot more variety with considerably less headache. The Boutiq Switch v4 is mostly a progressive and multipurpose device https://boutiqswitchcart31841.wikinstructions.com/1917427/examine_this_report_on_boutiq_switch_v4