Simple Audio Listen Stereo Speakers with Bluetooth (90S0001-US) Two-way speakers with separate 1" dome tweeters and 3" drivers in a bi-amplified design Digital signal path with integrated DSP providing EQ and active crossovers, and a powerful four-channel Class-D amp Connected speaker that works with everything! There's a USB interface for PCs and Macs, Bluetooth 3 connectivity for tablets and smartphones, and a 3.5mm line-in connector Unique touch interface controls power, volume, mute, Bluetooth and line-in selects. Include infrared remote for "across the room" control Includes power adapter, speaker cables, USB cable, and a 3.5mm to 3.5mm audio cable