Abstract: The present invention relates to a low-temperature heat-not-burn electronic cigarette comprised of the first holder including a pipe and a mounting plate with the mounting plate connected to the external wall of the pipe. The mounting plate and the second holder are connected to form an inner cavity with a control plate fixed in the inner cavity and the second holder having a key linked to the buttons on the control plate with the buffer pads. The pipe has a corrugated internal wall and a movable cigarette cartridge. The pipe is inserted into an outer pipe. The outer pipe has an insulation retaining bracket and a battery with the insulation retaining bracket having an installation slot facing the cigarette cartridge and the heating coil on the installation slot.

Abstract: A USB electronic cigarette has an atomizer section. The atomizer section has a heat chamber configured to receive liquid from a fluid reservoir. A USB connector is formed on the atomizer section. The USB connector includes a USB socket mounted to the atomizer section. A battery section is releasable and detachable from the atomizer section at the USB connector. The USB connector includes a USB protrusion configured to fit into the USB socket. The USB protrusion is mounted to the battery section. A rechargeable battery is housed within the battery section and configured to be recharged via the USB protrusion. A user is provided a smokable USB stick that is USB rechargeable.