30 天退款保证

30-Day Money-Back Guarantee

Unopenned products could be fully refunded for any reason within 30 calendar days from the oder date. The refund process will begin once the products reaches out warehouse.

• Returns must include all accessories.
• Items must include original packaging.
• For non-quality related warranty claims, the buyer is responsible for shipping costs. 
• For products quality related claims, we will cover all the related cost.
• Special listed products(Final sale) can not be refunded if without any quality issues.
  
• The refund ony applicable for the goods sold on Sinefine official stores.
• Please contact info@sinefine.store for service and shipping label.

100% Satisfaction Granteed

Issue your concerns below, we will response in three working days:

One Year Free Exchange

• The service is available for selected flagship models only. the sign or logo will shown on the sales invoice and product page.
• The service will cover one year (365 calendar dates) free product renew  cost including logistic and swap unit, starting from invoice date. 
• The coverage only can be applied for the product quality issues, not including man-made failure, include unit fell, drain by liquid ,or high temperature damage etc.
• The swap unit may not be same model due to the product on market is keep changing, an same segment product will be swapped upon buyer's confirmation.
• Process : constomer request shipping label by contacting  retail shop or online service reps. The swap unit will be sent back after the units reaches the warehouse.
• Sinefine Select will keep right to explain the terms and conditions.