[07/12/2018] Ultimate Ears WONDERBOOM 藍芽無線喇叭，Ultimate Ears WONDERBOOM Waterproof Super Portable Bluetooth Speaker – IPX7 Waterproof – 10-hour Battery Life – Midnight Blue，IPX7防水等級，特價只要$49.99 USD。Prime境內免運費。哪裡買: amazon。