[02/19/2019] Anker SoundCore Boost 系列藍芽無線喇叭，Anker SoundCore Boost 20W Bluetooth Speaker with BassUp Technology – 12h Playtime, IPX5 Water-Resistant, Portable Battery with 66ft Bluetooth Range / Superior Sound & Bass for iPhone, Samsung and more，現在特價$55.99 USD。Prime境內免運費 (學生可以免費試用Prime)。哪裡買：Anker via amazon。