3.15 x 3.19 x 7.36 inches

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Extraordinary 360° HD Sound + Option To Connect Two Speakers – Each of our TWS portable speakers Bluetooth comes with 25W of crisp 360° HD Sound and DualBass double subwoofers, for an unmatched listening experience. If that’s not enough, you can Connect Two wireless speakers together for true high-definition surround sound that will blow you away.
Made For Outdoor Sports And Adventures – Don’t be fooled by the gorgeous looks and cool ambient LED’s of this waterproof Bluetooth speaker. It was made super rugged for all your outdoor sports, hiking, camping, and getting active. Now grab your HD77 waterproof speakers, put on your favorite tunes, and have fun outdoors with your family and friends!