How to use: First, make sure you have the DX Desire Driver (sold separately). Then, simply attach the DX Boost Mark IX Raise Buckle to the driver to activate its functions. Notice: Keep it away from water and high - temperature areas. Avoid dropping it to prevent damage. Maintenance tips: Wipe it gently with a dry cloth regularly to keep it clean. If there are any issues, don't try to disassemble it yourself but contact customer service.