Sony SRS-XB31 Portable Wireless Bluetooth Speaker, Black (SRSXB31/B)

Bluetooth Speaker:

Give your party a boost with the Xb31 wireless speaker. Give the party a boost with extra bass. Live sound mode uses unique speakers to give a three-dimensional music festival atmosphere. Party booster adds more fun to the occasion, and the IP67 Waterproof1 design takes the party anywhere. Note-do not use or leave the system in an extremely cold or hot environment temperature outside the range of 5 to 35 degree Celsius. If the system is used or left in outside the above range, the system may automatically stop to protect internal circuitry. At high temperature, the charging may stop or the volume may reduce to protect the batteryFeel the power of EXTRA BASS with Live Sound Mode for an immersive 3D sound experience
Waterproof and dustproof IP67 design for worry-free usage
Listen all day and night with up to 24 hours of battery life. Pick it up and play with the lightweight, portable design
Connect and add more speakers (up to 100) with Wireless Party Chain
Build energy with a multicolored line light and flashing strobe
Add an extra speaker for stereo sound. In the box: USB Cable