UWOO is located in Shenzhen, China, as a Chinese Heat not burn device manufacturer , our product like
Y1 :3200mAh large battery, 15s rapid preheating, multiple temperature options, ergonomic design and very easy to use.
Check out Y1 HNB: https://www.uwootech.com/heat-not-burn-hnb-tobacco
Ym is smaller, lower battery capacity, but with all funtions.
Check out Ym HNB :https://www.uwootech.com/ym
