SONY SRS-XB20 / SRS-XB21 / SRS-XB31 SPEAKER USB Charger Cable Mains Power Lead | eBay
Charger Power Supply for SONY SRSXB21 SRSXB31 SRS-XB21 XB31 Bluetooth Speaker | eBay
Amazon.com: T-Power Charger for Sony 5V DC Portable Wireless Bluetooth Speaker SRS-XB21 SRS-XB31 XB20 XB10 SRSBTV5, SRS-X2, SRS-X3, SRS-X11 Ac Dc Power Supply : Electronics
Amazon.com: USB Charger Cord Power Supply Charging Cable for Sony SRS-XB21 Portable Speaker : Electronics
Amazon.com: USB Charger Cord Power Supply Charging Cable for Sony SRS-XB21 Portable Speaker : Electronics
How to Tell if Sony SRS XB21 is Charging - Tom's Tek Stop
AC DC Adapter Charger For Sony SRS-XB21 SRS-XB31 Speaker Power Supply 707943776657 | eBay