Additional Details ------------------------------ Product description: A USB-powered speaker system that sounds good at your desk or on the road.Work songWith USB connectivity delivering pure, digital audio and power-your music will sound good wherever you work.Going placesLight and compact, these portable speakers let you enjoy quality audio in the office or on the go.Sound controlYou can quickly adjust the volume when you need to with volume and mute buttons on the speakers. More from the Manufacturer. Manufacturer: Logitech. Manufacturer Part Number: 980-001004. Brand Name: Logitech. Product Model: S150. Product Name: S150 Digital USB Speaker System. Product Type: Speaker System. [Technical Information] Minimum Frequency Response: 90 Hz. Maximum Frequency Response: 20 kHz. Features: LED Indicator. Portable: Yes. Placement: Desktop. [Audio] Speaker Configuration: 2.0. RMS Output Power: 1.20 W. [Interfaces/Ports] USB: Yes. [Controls/Indicators] Controls: Volume Down. Volume Up. Mute. [Power Description] Power Source: USB. [Physical Characteristics] Product Color: Black. [Miscellaneous] Additional Information: Driver Size: 5.1cm. Compatibility: NotebooksComputers. Environmentally Friendly: Yes. Environmental Certification: WEEE. RoHS.