The Fler Duo Pen Empty Dual Chamber Disposable Vape Pen offers two 1ml chambers in a slim pen design. Auto-draw, post-free ceramic coils, digital display, 1-click flavor switch, preheat, and voltage control — perfect for versatile, discreet vaping. Dual independent 1ml chambers Post-free ceramic coils for pure flavor Auto-draw activation Digital display 1-click flavor switch Preheat (2 clicks) & voltage change (3 clicks) Power on/off (5 clicks) 350mAh battery with Type-C charging
