Divoom OnBeat-200 Portable Wireless Bluetooth Speaker (Black) Stream all your digital media from any Bluetooth devices including iPhone 5, 4S, Galaxy S4, S3, iPads, Galaxy Tab, and more Precision-tuned drivers and passive bass radiator, radiator work in concert to produce amazingly clear, full audio at any volume Built-in speakerphone makes it easy to take and make calls hands free or in a group built in 1200mAh rechargeable battery to play wireless audio for up to 8 hours , it is ideal for you to share your music with someone beside you, or to fill up an entire room