Amazon 現在 Ozeri BP4M CardioTech Premium Series Digital Arm Blood Pressure Monitor with Hypertension Color Alert Technology 原價 $119.95, 特價 $49.40, 在價格的下方有個 40% Off coupon (需先 sign in Amazon account), 按 “Click Coupon”, 可再省 40% Off, 變成 $29.64, 節省 $90.31(75% Off), 免運費!!