Divoom OnBeat-500 Wireless Bluetooth Speaker for iPhone, Samsung Galaxy, LG, HTC, iPad and more (Black) Stream all your digital media from any Bluetooth devices including iPhone 5, 4S, Galaxy S4, S3, iPads, Galaxy Tab, and more Wireless connectivity with NFC and Tap-to-pair NFC technology for easy and instant Bluetooth connection Built-in powerful speakerphone,makes and takes call from your computer,tablet or mobile phone Rechargeable Li-ion battery for 8 hours playback (3000 mAh) Powerful 13 Watt (Sub: 5W, Satellite: 4W x 2)