[11/10/2020] Sony SRS-XB12 藍芽無線喇叭，Sony SRS-XB12 Mini Bluetooth Speaker Loud Extra Bass Portable Wireless Speaker with Bluetooth -Loud Audio for Phone Calls- Small Waterproof and Dustproof Travel Music Speakers Black SRS-XB12/B，特價只要$29.99 USD。Prime境內免運費。哪裡買：amazon 。