Cheap And Discounts MLLSE ORIGINAL STOCK NEW FOR Lenovo B590 B580 V580 V580C USB BOARD USB AUDIO BOARD 48.4TE13.011 LA58 IO BOARD W/CABLE 11863-1 Wholesale. Buy Directly From Merchant ChampionLaptopParts. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.