In the brain, nicotine works mostly to release other neurotransmitterslike dopamine (pleasure), norepinephrine (arousal and appetite suppression), glutamate (learning and memory), endogenous opiates, and serotonin (mood modulation)
"Advertising Created & Continues to Drive the Menthol Tobacco Market: Methods Used by the Industry to Target Youth, Women, & Black Americans" (PDF)
The Nulaxy NX10 is a good option if you want to keep the profile to a minimum but still like to have a volume knob and track navigation buttons prominently displayed
CAR CIGARETTE LIGHTER PLUG - Run your AC electrical devices with this heavy-duty inverter which plugs into your cigarette lighter or connects directly to a 12 Volt DC battery from your car, truck, van, trailer, or RV to power your camping heater, small appliances, laptop, tablet, cell phone, iPad, gaming console, and other electronic devices
If you're not sure where to start, talk to your doctor or a nicotine replacement therapist
Although traditional e-cigarettes have plenty of shortcomings, simplicity is a benefit that many users do enjoy