Bookshelf Speaker Features Bluetooth Frequency Response 100-18KHz Channels 2.0 CH Impedance (Ohm) 4 Connectors 3.5mm AUX Maximum Power Handling (W) 3 Remote Control Yes Sold As Single Operating Range Up to 10 meters Connectivity Technology Bluetooth Color black/Green/orange/Blue Dimension(cm) 8.5 x 9.5 x 8.3 Net Weight(kg) 0.227