ZAHARA USB IO Small Board Replacement for Lenovo ThinkPad E590 20NB 20NC 02DL839 NS-B912

100% Brand new and high quality., Each item has been checked and in good condition before shipping., Easy for you replace your faulty,cracked or broken one ,seller remind that you should replace this in the off state., Special skill and techniques required for proper installation.Please check both the model and picture before purchase., Product quality and after-sales service only come from Zahara.