Wireless Bluetooth streaming High-capacity 10,000mAh rechargeable battery Speakerphone splashproof JBL Connect lifestyle material JBL bass radiator Packing a massive rechargeable 10,000mAh Li-ion battery that supports up to 15 hours of playtime and dual USB charge out, this speaker keeps your music and your devices going as long as the party lasts You can trust JBL Xtreme to bring the excitement wherever you need it - whether indoors or outdoors, poolside party or backyard barbeque - with its splash-proof fabric design that's available in black, blue, or red