2ch USB Powered Mini Speaker Stereo for Computer Laptop Desktop Tablet 

Product Features
★ Both a 3.5mm audio line in and auxiliary input enable you to connect two devices at the same time like your smartphone plus tablet or laptop and easily switch between them. 

Specifications
★ 100% brand new and high quality.
★ Color : White-Blue, Black-Red, Black-Blue, White-Red
★ Input : 5V 500mA
★ Frequency response : 50Hz ~20kHz
★ Impedance : 40hms
★ Power : 3W x 2
★ Nominal consumption : 0.63kWh/mes
★ Standby consumption : 0.018kWh/mes