Trendwoo Twins Bluetooth Wireless Speaker, Support 2.0 Left and Right Stereo Sound Surround with Built in Microphone Created with the audiophile in mind, this innovative speaker system uses Bluetooth multipoint technology to pair both speaker units to your smartphone, tablet, laptop or other mobile device resulting in unique full range Stereo Surround listening experience that can be customized by placing the speakers anywhere within 5 feet of each other, or within 10 feet of the paired device, without any wires.