... ,blow into air hole Products Description: This product is a alcohol tester designed for Iphone/iPad/iPod, it's small, exquisite and ... can effectively identify cigarettes, coke,coffe smells and prevent non alcohol gasto interfere the detecting result. 4.with voice alarm function ... BL,Fenghuang International trademart, the North of Industrial AvenueZip:510130 Alcohol tester for iphone/ipad/ipod in white