Accessories are not allowed to order only one piece. You can order them in a large quatity or you can buy it one piece or two pieces when you order other products. It's considering the shipping, hope our friends can understand. If you need any help, please contact our online representatives. Specifications : Loudspeaker Mode : Dynamic Magnet Shielded Loudspeaker Diameter : 50mm Loudspeaker Number : 2 PCS Impedance : 4 Frequency Response : 200Hz-12KHz Output Power : 2W*2 Power Supply : DC6.0V(4*AAA batteries) Signal Cable : 21CM *Plug : 3.5mm Dimensions : 190*63*68mm(l*w*h) weight : 230g Designing for removable speakers such as Notebook PC iPod MP3 MP4CD MOBILE and so on Usb cable may provided Packages : Qty Per Export Carton : 50PCS/CNT Carton Dimension(W*H*L) : 52*50*37cm G/W : 11.7KGS N/W : 8.6KGS 1 piece per packed with Plastic + Color Card