Amazon現在 Philips Sonicare HX9332/05 DiamondClean Rechargeable Electric Toothbrush 原價 $219, 特價 $189.95, 在照片下方有個 $15 Off coupon (需先 sign in Amazon account), 按 “click this coupon”, 可再省 $15, 變成 $174.95, 免運費!!