k380s just bought from Malaysia KLCC Popular book festival, not sure its counterfeit or not, but this k380s went into sleep mode like 30seconds after, or its defected item? better logitech check well if Popular bookstore mix selling counterfeit keyboard before authorise let them selling counterfeit Logitech product to ruin Logitech's reputations. my previous keyboard was K380, it doesnt happen this at all, and now this k380s keep disconnecting, I tried plug unplug bluetooth dongle, changed new batteries all doesnt work, it just keep into sleep mode after like 40seconds, it's counterfeit or defected, btw they selling RM99, so beware of this Popular company since already own by Communist (China)