1. This is the tracking of your parcel:
Number: LT492031719CN
Package Status: In Transit

Destination Country: United States
2016-12-01 06:45 Origin Post is Preparing Shipment, We have received notice that the originating post is preparing to dispatch this mail piece.
2016-12-01 06:45 CHINA, SHANGHAI EMS, Processed Through Facility
2016-11-30 19:34 CHINA, Acceptance

Origin Country: China
2016-12-01 10:47 In Shanghai, left Shanghai Pudong airport
2016-12-01 10:47 In Shanghai, from Shanghai to New York JFK airport
2016-11-30 19:34 Shanghai, express delivery of bulk acceptance has been received (the embrace cast member name: 01, phone:)
======================================
Powered by http://www.track-chinapost.com

2. Your parcel is On Route/In Transit to USA JFK. Parcel to USA can take from 15 to 35 days and sometime more.

3. Please take note that this time of year is the busiest time for all Post Office in the World. so mail will definitely be slow.

4. Just continue to track your parcel on the USPS site for any new movement.

Hope this help.