If for iwatch4 update the system from 5.0.1 to 5.1.1, then this wireless charger will have a problem of Not charging itself or sometime charging sometime not charging. for this problem we are on the process to update the product
So we suggest that if you have for iWatch4, you’d better not update its system beforeour update product can sale.
If you have updated the system you can “Restore factory settings, return to the system of 5.0.1”
For iWatch 2 3 update to new system there is no influence to use it.
Quick Charge Mode Only applicable for Samsung S9 S8 Plus S7 S6 Edge Edge+ Note 9 8 7 5
More important is QC 3.0/2.0 usb adapter and cable (note included) are required to enable fast charging mode
Package Include: Wireless Charger + 1m IOS Cable for charger