It's in transit to US now. You can track it from USPS website. There will be further update when it arrives your country. In most cases, it takes a month to reach.

Tracking details:
2017-01-17 00:21
CHINA, HANGZHOU EMS, Processed Through Facility, Your item has been processed through a facility in HANGZHOU EMS, CHINA at 12:21 am on January 17, 2017.

2017-01-15 21:54
Origin Post is Preparing Shipment

2017-01-15 21:54
Origin Post is Preparing Shipment

2017-01-15 21:54
CHINA, HANGZHOU EMS, Processed Through Facility

2017-01-14 21:04
CHINA, HANGZHOU EMS, Processed Through Facility

2017-01-13 16:29
Origin Post is Preparing Shipment

2017-01-13 16:29
CHINA, Acceptance

Hi,

It's in US now. USPS is processing it and will deliver it to you later.

2017-02-11 10:23
CHICAGO METRO HUB, Arrived at USPS Facility, Your item arrived at our USPS facility in CHICAGO METRO HUB on February 11, 2017 at 10:23 am. The item is currently in transit to the destination.