CircleZ is committed to becoming a well-known and trusted seller in the US. We tirelessly pursue our goals by offering an excellent shopping experience, rapid delivery, and top-notch customer service. All products sold by us carry manufacture warranty. In case that the item is not in working condition, please call us within 10 days after receiving the item. We are a highly technology based company developing the most advanced digital marketing skills and internet software tools. We are also sourcing the most innovative products to serve our valuable customers. For unmatched return, wrong item, or item with different serial number, we take this as fraudulent return and will report to the police department for fraudulent investigation. Thank you for shopping with us.