iHome IKN100BC Portable Rechargeable Bluetooth Stereo Speaker System with NFC & Removable Battery Pack Send digital audio wirelessly to the iKN100 from your iPad, iPhone, and iPod touch, Android, Blackberry or other Bluetooth-enabled audio device Instantly connects your NFC-capable device to Bluetooth for wireless audio streaming Integrated mic plus talk/ end button Reson8 speaker chambers are specially designed sealed speaker enclosures deliver astounding clarity, depth and power Pop out lithium-ion battery dock with USB port to keep devices charged OR extend portable operation when internal battery is low