The Vape Tray Charger is a very Unique charging system that is perfect for your home or office! The vape tray has three separate slots. One slot will charge your Firefly battery. Simply place the battery upside down into the charging slot and twist clockwise to begin charging. There is an LED light on top which shows RED as charging and GREEN as fully charged.The other two slots will hold extra clearomizers, battery & clearomizers assembled, etc…The Vape Tray Charger also includes one 3′ Micro USB Cord. (Home Adapter NOT Included) Note: Battery and clearomizers in picture are for example purposes only and are not included with this purchases!