跟单id: xiaofan item: Omron 7 Series Wrist Blood Pressure Monitor link: http://www.amazon.com/Omron-Series-Wrist-Pressure-Monitor/dp/B004D9P1A8/ref=zg_bs_3777151_1 qty: 1 price: $43.99 contact: 酒要要六二三留要 vpost 回吧，需要多少订金？