Crystal clear audio and rich bass Play music via Bluetooth, Micro SD or USB Hands-free charting via Bluetooth 3-4 hours of playback time Play up to 33ft away.  Speaker Type: Bookshelf Speakers Number of Speakers: 2 Features: Bluetooth Compatible Inputs/Outputs: 1 Usb Port(s) Manufacturer Warranty: 1 Year Parts Peak Power Handling: 5 Watts Use: Outdoor, Indoor Measurements: 9 Height/Inches Weight (lb.): 1 Lb Assembly: Assembled Base Material: 100% Plastic Care: Wipe Clean Country of Origin: Imported