The tiny but mighty rondo Bluetooth speaker from Crosley brings on the retro space-age vibes. Side controls allow you to wirelessly accept calls, adjust volume and skip tracks while USB and charging ports are housed in the back of the unit. Chrome trim and tapered legs enhance the rondo's mid-century modern silhouette. Number of Batteries: 1 Number of Speakers: 2 Included: 1 Owners Manual(s) Features: Cordless, Volume Control Battery Type: Lithium Ion Impedance: 4 Ohms Manufacturer Warranty: 1 Year Parts Limited Peak Power Handling: 3 Watts Power Source: Plug-In Rms Power: 3 Watts Watts Per Channel Rms: 3 Watts Measurements: 2.95 Depth/Inches, 4.72 Width/Inches, 3.66 Height/Inches Minimum Frequency Response: 40 Hertz Maximum Frequency Response: 20 Kilohertz Weight (lb.): 0.5 Lb Country of Origin: Imported