Please Email us with your order number to get:

1. Lifetime Extended Warranty.
2. Get a replacement/refund at no cost if return window closed.
3. Technical support if you have any usage problems.

Amazon order format: 111-2222222-3333333
How to find your order number# :
1. Sign into your amazon account.
2. Click your orders.
3. Find your order details about our product and you will see a series of
numbers like 111-2222-3333333, and this is your order number.

Please click here:

support@iswiitech.com