Mini mirror speaker - hematiteCoin sized bluetooth speaker: the smallest wireless speaker in the market with a diameter of 1. 4 inches and weight of 2. 46 oz, it boasts an exceptional stereo sound quality that you won't expect from a miniature speaker. Pair it easily with your smartphone, tablet or music player: the u mini speakers supports bluetooth version 4. 2 and instantly pairs with most bluetooth enabled devices. Four hours playback time for your playlists: outfitted with a