JBL Xtreme 2 music box - Waterproof, portable stereo Bluetooth speaker with integrated power bank - With just one battery charge, up to 15 hours of music enjoyment black : Amazon.de: Electronics & Photo
JBL Xtreme 3 portable Bluetooth speaker (black) 50036375054 | eBay
Bluetooth Lautsprecher JBL Xtreme3 Bluetooth Lautsprecher, Schwarz, Wasserfest | MediaMarkt