Cync is a closed vaping system is brought to you by Vape Forward, the makers of the Vapor Flask. Cync offers three variations of closed systems including a 200mah micro battery, 380mah standard battery, and 380mah stealth battery. Similar to other closed systems, there is no power button and pods are disposable. A pod is inserted into the battery body and power is generated when inhaled by the user. Cync flavor pods are offered by Cuttwood and several well-recognized ejuice brands in their most popular flavors.