Swand Kit, a compact and portable open pod system kit, comes with 2ml easy top filling cartridge. And powered by 450mAh built-in battery with 15W max output, it adopts magnetic connection for easy operation. And it utilizes micro USB port for easy and quick charging. Besides, it supports 1.1ohm cotton coil to create big vapor and perfect taste. Moreover, it provides multiple protections to ensure your safety, like overcharge protection, over current protection, low-voltage protection, overheating protection, short-circuit protection and so on.