Amazon | SOOLIU AC/DC Adapter for Sony SRS-XB20, SRS-XB21, SRS-XB22, SRS-XB30, SRS-XB31, SRS-XB32 Bluetooth Speaker | SOOLIU | AC式充電器
Sony SRS-XB21 vs Sony SRS-XB22: What is the difference?
Amazon.com: Sony SRS-XB22 Portable Bluetooth Speaker: Compact Wireless Party Speaker with Flashing Line Light - Waterproof and Shockproof Loud Audio for Phone Calls Bluetooth Speakers - Black - SRS-XB22/B : Electronics
Best Buy: Sony SRS-XB22 Portable Bluetooth Speaker Blue SRSXB22/L