USB speaker sound quality, small size, easy to carry, low consumption of environmental protection and energy saving, simple and practical. Insert the product's USB connector directly into the USB port of your computer, without the battery or adapter. USB power supply connection and signal transmission is very convenient, power and signal transmission can be completed by a line, plug and play. The product is equipped with two beautiful sound speakers, USB speakers is the Perfect partner for computers, can play multimedia music and video and voice chat with excellent sound quality, is suitable for own use and gift friends and relatives. Portable USB Speaker for Notebook Laptop PC,saving place and providing you a tidy desk.The for your home,your room. 1.Speaker system: 2.0 portable USB speakers 2.Noise suppression function 3.This item can fully avoid interference, you can place it as you want. 4.The bottom of this product with anti-skid design to firmly hold itself 5.It can offer you clear voice quality and wonderful music 6.Immerse yourself in the rich sound of music, , and games as this speaker is integrated with dual speaker units that deliver the mind blowing stereo sound. Color: Black Material: ABS Size: 8.5*3.5*4cm The cable length: 1.2m/47inch Total power: 0.5Wx2 Voltage: DC 5V Speaker system: 2.0 portable USB speakers Package Contents: 4 x USB Mini Speaker Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.