We will reply within 12 hours. Weekends are not available because the post office is closed.Customer service and satisfaction are very important to us. All return requests must be made within 30 days of the receipt of the item. This item is in the category "Consumer Electronics\Portable Audio & Headphones\Headphones". The seller is "souseidoh_japan" and is located in this country: JP. This item can be shipped worldwide.