Kapsule Portable High-Fidelity Bluetooth Wireless Speaker and Speakerphone. High-Quality Audio at Home, in the Office, or On-The-Go. Listen to your favorite music, or take or make calls without the constraint of cables. Portable High-Fidelity, Bluetooth Wireless Speaker, Great Sound. Works with any Bluetooth-enabled device (e.g., smartphone, tablet, etc.); Equipped with A2DP (Advanced Audio Distribution Profile). Is also a portable speakerphone for making and receiving calls from your Bluetooth-enabled phone/smartphone. "Sync-with-a-Tap" using NFC (Near Field Communications) Technology; also auxiliary (3.5mm) analog input jack for non-Bluetooth audio devices (cable not included). Built-in Rechargeable Battery; Includes USB charging cable; 1-Year Warranty.