Amazon 現在 Philips Sonicare Flexcare 充電式電動牙刷 Rechargeable Electric Toothbrush 原價 $144.99, 特價 $109.95, 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 $94.95, 節省 $50.04(35% Off), 免運費!!