General Information Manufacturer: KB Covers Manufacturer Part Number: XAM11-B Manufacturer Website Address: kbcovercom Brand Name: KB Covers Product Model: XAM11-B Product Name: XAM11-B Speaker System Packaged Quantity: 1 Product Type: Speaker System Technical Information Impedance: 40 Ohm Speaker Audio RMS Output Power: 2.5 W Network & Communication Bluetooth: Yes Interfaces/Ports USB: Yes Controls/Indicators Controls: Track Controls: Volume Power Description Power Source: Battery Physical Characteristics Color: Black Form Factor: Portable Weight (Approximate): 3.36 oz