Speaker Type: Bookshelf Speakers Number of Channels: 1 Number of Speakers: 1 Included: 1 Power Cord(s) Features: Bluetooth Compatible Impedance: 8 Ohms Inputs/Outputs: 1 Usb Port(s) Manufacturer Warranty: 90 Day Labor, 1 Year Parts Peak Power Handling: 20 Watts Playback Formats: Mp3 Rms Power: 20 Watts Use: Indoor Measurements: 5.43 Length/Inches Minimum Frequency Response: 60 Hertz Maximum Frequency Response: 60000 Kilohertz Weight (lb.): 5 Lb Country of Origin: Imported