1. This is the tracking of your parcel:
Number: LT166219531CN
Package Status: In Transit
Destination Country: United States
2016-09-14 12:55 Origin Post is Preparing Shipment, We have received notice that the originating post is preparing to dispatch this mail piece.
2016-09-14 12:55 CHINA, GUANGZHOU EMS, Processed Through Facility
2016-09-13 15:24 CHINA, Acceptance
Origin Country: China
2016-09-14 13:17 Guangzhou, left Guangzhou to Chicago
2016-09-14 04:36 Guangzhou Customs clearance
2016-09-14 04:29 Guangzhou, to the customs
2016-09-13 21:40 Guangzhou, arrived at Guangzhou airport Center
2016-09-13 15:24 Guangzhou postal express and logistics company, Guangzhou City fangcun sales receipt (embrace cast member name: Li Lei, Tel: 18825086390)

2. You can now track it through USPS site.

Hope this help.