Need to outfit your outdoor deck, garden or patio with high quality wireless sound? Look no further! These 4” rock speakers are the perfect solution. The Grey slate rock speaker let s your speakers blend right in with the natural surroundings of your yard or garden, hide them in plain sight! With a weatherproof rating of IPX5, they are resistant to water splashes from any angle so you can leave outside without worrying about the weather. Specially tuned for outdoor use, these Rock Speakers will project big clear sound perfect for open air environments. Charge with included microUSB cable. Stream music wirelessly from any Bluetooth enabled device. The included speakers use Tws (True Wireless Stereo) linking, pair together with ease. The Ghrk-400-pr is the perfect solution for your outdoor wireless audio needs and is sure to impress your friends and neighbors.