1.Simple plug and play, super easy to operate, no external driver needed.2.1 channel stereo speakers support you enjoy the best stereo effect.3.Can turn the speaker on/off, adjust master volume, treble, bass via control buttons.4.With blue LED lights enhance the atmosphere of watching movies and playing games.5.Works with PC, laptops, smartphones, tablets and other devices has a 3.5mm jack.Standard version: 3 full-range speakers + strong bass diaphragm, volume adjustment, power switch, lighting effect, cable length about 1.5 metersBluetooth version: 3 full-range speakers + strong bass diaphragm, Bluetooth 5.0, volume adjustment, power switch, light switch, light effect, cable length about 1.5 metersSpecifications:Material: ABSColor: BlackSize: 96x116x128mm(subwoofer), 60x60x70mm(speakers)Interface: USBInput: 5V/600mAAudio Jack: 3.5mmRated Power: 3W *2Maximum volume: 68 decibelsChannel: 2.1Frequency Response: 25Hz–20KHzS/N Ratio: ≥65dbSeparation: ≥35dbPackage Included:3*speaker (with USB power cable and audio cable behind the speaker)Notes:Due to the difference between different monitors, the pictures may not reflect the actual color of the item.Compare the detail sizes with yours, please allow 1-3cm error, due to manual measurement.Please leaving a message before you give the bad feedback, if the products have some problems.Thanks for your understandings.1. Due to manual measurement, please allow 2-3% error. Before you bid, make sure you don't mind.