Long-life rechargeable battery with around 50 hours of cordless sound and USB port for charging devices Nevertheless, this speaker is quite bulky and large. It's a built-in handle and wheels that will help you transfer it around, but in case you are looking for a far more portable option https://www.bluetoothspeaker.top/retro-sound-phonograph-record-player-bluetooth-speaker-radio-music-mp3-player/