for ipad 9.7 inch 2018 2017 bluetooth keyboard case. smart folio stylish hard shell cover bluetooth slim keyboard case for ipad air/air 2/ipad pro (rose gold) casefromme <b>features:</b><br> material: abs+plastic<br> working distance:10m<br> input:micro usb charge 5v<br> li-ion battery capacity:200mah<br> operating voltage:3.7v<br> keyboard standby time:approx 100 days<br> working time:70hours<br> charging time:4 hours<br> <b>package includes</b><br> 1 x keyboard case cover