Check the listing for details. Amazon Basics Computer Speakers for Desktop / Laptop PC USB-Powered Black 2.1 W. Color: Black, Condition: New. Listed at 34.95 USD. Amazon Basics Computer Speakers for Desktop or Laptop PC , USB-Powered, Black BrandAmazon BasicsSpeaker Maximum Output Power2.1 WattsConnectivity TechnologyUSBAudio Output ModeSurroundMounting TypePlug Mount, Tabletop USB-powered (5V) speakers plug directly into your computer for portable convenienceTurn the speakers on and adjust the volume using one simple control (located on the front of the speakers); volume control includes On/StandbySimple plug-and-play setup (no drivers needed); can be used with headphones via the 3.5mm jack connectorFrequency range of 103 Hz - 20 KHz; 2.2 watts of total RMS power (1.1 watts per speaker)Measures 2.76 by 3.55 by 5.3 inches (LxWxH); weighs approximately 1.4 pounds; Compact DesignThe USB-powered 5V computer speakers will fill the room with clear, bright sound and are compact enough to fit easily on your desk.CompatibilityPlug into your computer, iPhone, iPad, Samsung Galaxy phone or tablet, Kindle, MP3 player, or other device to listen to music or presentations.Plug & PlayThe speakers plug directly into your computer; turn speakers on and adjust volume using one simple control that includes On/Standby modes.Headphone CompatibleInsert the 3.5mm jack into your audio device, and the speakers are good to go for increased privacy and focused listening. Model Name‎Speakers for Desktop or LaptopSpeaker Type‎ComputerSpecial Feature‎PortableRecommended Uses For Product‎Laptop, For ComputersCompatible Devices‎Desktop, LaptopUnit Count‎1.0 CountSurround Sound Channel Configuration‎2.2Color‎BlackIncluded Components‎speakerProduct Dimensions‎2.76"D x 3.55"W x 5.3"HItem Weight‎1.46 PoundsIs Waterproof‎FalseNumber of Items‎1Speaker Size‎5.3 InchesPower Source‎Corded ElectricWoofer Diameter‎5.3 InchesSubwoofer Connectivity Technology‎WiredConnectivity Protocol‎USBIncludes MP3 player?‎NoIs Electric‎Yes