About US We are YI, Your Innovator. 1. All the orders will be shipped within 48 Hours (exclude holiday and weekend) After the Clear Payment Receive. 2. We offer 1 Year warranty, please set your mind at rest to Purchase. 3. We accept return for exchange or refund, please return to us within 30 Days after you receive the item 4. If you have any other concern or are not satisified in any regard, please have no hesitation to contact us firstly, we will try our best to solve your problem. Please no Case or dispute before you contact us, we will reply all your email within 24 hours.