I smoked cigarettes for 53 years until I tried OK cig-a-like vaporiser and have used cig-a-like products for 5 years now. I was pleased the product simulated the size and shape of a king size cigarette and was easy to use and recharge the battery sections safely using the usb port on the plug I purchased or could be charged via the port on my notebook device. I gave up Cigarettes on the first use of the product the first time and haven't smoked a cigarette since. I use the high menthol refills and am very satisfied with the effect of the refills. I am happy that I can have my nicotine "fix" without the carcinogenic by-products of tobacco cigarettes. I hope OK Vape will always have Cig-a-like products available for purchase. The service from OK vape is excellent and the savings I make on buying this vaping product versus cigarettes is ENORMOUS. Vaping is the healthy alternative to smoking cigarettes for me. Thank you OK VAPE.