b"Geepas Portable and Rechargeable SpeakerThis speaker is ideal for parties and large gatherings or large spaces. The speaker has an inbuilt rechargeable battery. It can be used for outdoor activities, advertising campaigns and recreational activities.Don't let a lack of power ruin your gathering! It has a built-in battery with a charge indicator, providing you pristine cordless sound, never run out of power simply connect the included power cord and rock out. The built-in USB input and SD card reader are great options for playing back your music. The Bluetooth integration is very easy to use and is very reliable. You will be able to transmit music from your Bluetooth phone or MP3 player to playback on the speaker."