The mini cassette player Bluetooth speaker streams your digital music with a look straight out of the 80s. It's portable, rechargeable, and when you sync two together, you get true stereo sound. Compact with retro style, this speaker can go anywhere. Number of Batteries: 1 Included: 1 Owners Manual(s) Features: Volume Control Battery Type: Lithium Ion Impedance: 3 Ohms Manufacturer Warranty: 1 Year Parts Limited Peak Power Handling: 2 Watts Power Source: Battery (included) Rms Power: 2 Watts Watts Per Channel Rms: 2 Watts Measurements: 2.5 Width/Inches, 1.25 Depth/Inches, 4 Height/Inches Cord Length (ft.): 5 Ft Weight (lb.): 0.3 Lb Country of Origin: Imported