Long-life rechargeable battery with up to 50 hours of cordless sound and USB port for charging devices This optional charging cradle accent (bought separately) is the perfect home for your Bose Portable Smart Speaker. Keep your speaker’s battery full if you’re not utilizing it �?or keep the music playing https://www.bluetoothspeaker.top/most-selling-product-latest-indoor-rgb-speaker-bluetooths-speaker/