ROCK ON WITH OUR DISCREET OUTDOOR SPEAKER SYSTEM: Our innovative speaker set has the look of real rocks that blend in with nature, and lets you play and enjoy all of your favorite music in any outdoor setting WIRELESS BLUETOOTH TECHNOLOGY: Our outdoor speaker system is completely wire-free and is powered by Bluetooth technology so you can stream music from your phone to listen to your playlists whenever you want LINK UP TO 99 SPEAKERS: Our system lets you pair to the first speaker and wirelessly link up to 99 more B61GG speakers, sealed rechargeable battery charge time is 7 hours and plays for 6 hours at standard volume level WEATHERPROOF FOR ANY OUTDOOR SPACE: Use our sound equipment for patio or garden parties, your spa or poolside party, backyard weddings or for singing karaoke at home WHAT'S IN THE BOX: Each box includes 2 Theater Solutions by Goldwood powered Bluetooth rock speakers, micro USB to USB battery charge cables, and an instruction manual