Enjoy wireless streaming and hands-free phone calls with this versatile Harman Kardon Onyx Mini speaker. Its built-in microphone has noise-cancelling technology that lets you communicate more clearly. The Wireless Dual Sound feature lets you pair two units of this portable Harman Kardon Onyx Mini speaker for an enhanced stereo-quality sound.
Bought a pair as a "Deal of the Day" special. No CONS of concern, for me, found in previous reviews; so I made the buy! Alone a speaker has great depth of sound, enough to make you think there are two speakers in stereo. With a second speaker "paired"; I can fill a room with sound, or fill the house by putting the speakers on different floors! Best purchase this year!