FROM THE MANUFACTURER:  

Stream music wirelessly from up to 40' away from your Bluetooth-enabled device with the black Mojo Speaker from bēm Wireless. The speaker comes with a conductive charging base to charge its integrated battery, which lasts for about eight hours on a charge. For enhanced bass response, the speaker has a passive radiator. Since there is also a built-in microphone, you can use the speaker to have hands-free speakerphone calls as well. Conveniences include touch-sensitive buttons and a compact size for easy portability.