?After-sales Service?We provide 30 days no reason to refund. Defective goods, Enjoy Aiivioll 1-year free return. Aiivioll professional customer service responses 24 hours please feel free to consult us. ?Tough and Durable?Nylon braided cable, more resistant to folding and tearing than normal plastic cables, longer to use, to meet the charging needs of your device for a long time. ?Convenient Length?The charging cable has a length of 1.8M, which can keep charging at a longer distance, thus increg your mobile space during charging, allowing you to charge and use at the same time, which is a very good choice for office workers and gaming enthusiasts. ?Highly Adaptable?The charging cable has been designed by a professional team with multiple quality tests, you can rest assured that you can buy and use it, it is very suitable for charging your device, and it can quickly bring your mouse to a fully charged state. ?Compatible Models?Compatible with Razer Naga Pro 20000 DPI & DeathAdder V2 pro,Viper Ultimate,Basilisk Snake Ultimate,Viper V2 Professional,Viper Professional Wireless Mouse,please check your device model before purchg.