Specifications:Mini speaker can connect your laptop via wire.Cubic shape design, small and fashion appearance.There is a volume adjuster on the back of the sound, there is no switch.Item Name: Mini SpeakerMaterial: PlasticQuantity: 2PcsPower: 3WFeatures: Wired, Portable, Bass Sound, Audio PlayerSpeaker Diameter: 50mm/1.97" (Approx.)Main Box & Auxiliary Box Link Line: 45cm/17.72" (Approx.)External Cable: 60cm/23.62" (Approx.)Size: 6.5cm x 6.5cm x 6.5cm/2.56" x 2.56" x 2.56" (Approx.)Notes:Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:2 x Mini Speakers