Q: Scroll Wheel Issue. My mouse scroll wheel stop working, what should I do?
A: Sorry for this sleep issue, we contacted our suppliers, he told us that the chip of these goods have been replaced recently. Unlike the chip of the previous products, the chip was founded quality problems. The chip will be replaced in the new products and will be tested multiple times before shipped out. Please contact us via e-mail【support.7Lucky@foxmail.com】 for further assistance, we will give you a satisfied solution and we will send you a new upgraded mouse or make a full refund to you ASAP! Sincerely sorry for all the inconvenience and waiting for your email!