TWS I38S Bluetooth 5.0 Headphones 3D Stereo Music Wireless Headphones, if you have any questions, please contact us. 1. We do not accept refunds without reason. 2. If some goods are damaged during delivery due to objective reasons, we will not refund the full amount. But we can accept a partial refund to compensate for the damaged part. 3. If the product has quality problems, you can take photos and videos to us. After we confirm, we will give you a satisfactory solution and return the damaged part to you.