Please remind the cable Does Not comes with program need to remove the original chip from the original sleep cable and solder it.
It's pefectly replacement for MacBook Air 13.6" M2 A2681 821-04129-02 821-04129-A EMC 4074 MLY43LL/A
It's Top A+ quality, we tested it very carefully before we ship it, we're be sure it will working well with your Device
professional installation is highly recommended,if you're not familar about how to install it, Please ask your local repairs store professional help you
we offer 2 years warranty , If you got it no working well,or you don't like it or other reasons,you can contact us by Amazon for a replacement or a fully refund within 2 years