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1.YJtech provides a 12 months warranty period for the products, starting from the date YJtech fulfills his delivery obligation. 

2.During normal use of the product, if there are product quality problems caused by manufacturing, materials, design, etc., the motherboard will be guaranteed for one year free of charge, and the battery and charger will be guaranteed for half a year. 

3. No free warranty is provided for failures caused by the user's personal reasons, as follows: 

  1). Failures caused by unauthorized disassembly, modification of the watch, etc. 

  2). Failure caused by accidental drop during use. 

  3). Any damage caused by human beings or due to the fault or misuse of a third party (such as: water in the host, external force cracking, scratches on peripheral parts, etc.) are not covered by the warranty. 

  4). Defect that was caused by misuse and negligence 

4.All failures of the product are based on physical objects. 

5.YJtech will repair/or replace the products returned. 

6.Customer will provide detailed information about the nature of defect/malfunction for each product returned. 

7. Customer will bear the transportation cost from their place to YJtech’s address in China. While the return back to customer’s destination will be on YJtech’s account. Customer is also responsible for the correct execution of customs clearance where required.