Long-life rechargeable battery with approximately fifty hrs of cordless sound and USB port for charging devices This optional charging cradle accessory (marketed separately) is an ideal home for your Bose Portable Smart Speaker. Keep your speaker’s battery entire after you’re not applying it �?or keep the music playing even https://www.bluetoothspeaker.top/wireless-bluetooth-speaker-outdoor-fm-tf-card-audio-subwoofer-gift-wireless-speakers/