Wiseways Kube Bluetooth Collegiate Speaker for University of Tennessee Volunteers NCAA design for collection and decoration Built-in microphone for hands-free speaker phone calling , video chat, Google Talk , Skype or FaceTime. Dual channel audio system provides rich sound and built-in lithium-ion battery supplies 10+ hours of audio playback Supports Wireless Music Streaming via New Bluetooth v3.0 Technology Durable shell with mesh metal creates a trendy look