Yes, it is. Without the box, warranty card, and the manual customer will not be able to avail the warranty.
Official Warranty Brand Warranty Replacement Warranty
No, you can't, once you purchase Xpert Smartwatch you easily can activate the e-warranty through https://ajwahtech.com/e-warranty. Without activating the e-warranty you can't avail replacement warranty.

Free Delivery | Up to 50% discount | B1G1

Free Delivery | Up to 50% discount | B1G1