Keep the party going wherever you happen to be with the JBL Xtreme Portable Wireless Bluetooth Speaker in Black. It features internal batteries that you can recharge via a USB cord. This JBL Xtreme portable Bluetooth speaker can coordinate with phones, cars, tablets and other smart devices to stream your playlist. The echo cancellation feature provides clear sound quality while a splash-proof exterior holds up to moisture so you can even listen in the rain. This unit comes with a carrying strap for added convenience. An internal charger lets you power up to two phones even while the music is playing. 
JBL Xtreme Portable Wireless Bluetooth Speaker (Black): 

• 40W RMS
• Wireless speakers are portable
• Rechargeable batteries
• Black
• 70 Hz to 20 kHz
• USB/Bluetooth speaker can connect to cars and other device setups
• USB charging port
• Wireless audio stream
• Passive radiator
• Echo cancellation