SRS-XB21 | アクティブスピーカー/ネックスピーカー | ソニー,Sony SRS-XB21 Portable Wireless Bluetooth Speaker, White (SRSXB21/W),Wireless Portable Speaker With Lights | SRS-XB21 | Sony Liberia,SRS-XB21 | Connecting to 2 speakers simultaneously,Sony SRS-XB21 - Speaker - for portable use - wireless - NFC, Bluetooth - white