What is the connector on lenovo ideapad miix board called?
Looks like a 5-pin, 2.5mm pitch shrouded wafer connector.

From a quick google image search, this one looks like it might be compatible: http://www.wire-to-boardconnector.com/sale-7536275-jvt-2-5mm-pitch-wafer-for-pcb-board-connector-with-five-pins-in-white-color.html