Long-life rechargeable battery with approximately 50 hrs of cordless sound and USB port for charging devices We offer a number of types of powered speakers, including loudspeakers and high-conclusion speakers, like the S1 Pro+ Portable Bluetooth® Speaker System. This multipurpose all-in-1 speaker system is ideal for streaming music in https://www.bluetoothspeaker.top/bluetooth-speaker-cool-light-mode-karaoke-machine-with-two-microphones/