The Bose Wave Music System IV remote control is designed specifically for the 417788-WMS model, allowing users to easily control their music system from a distance. Manufactured in China to replace original remote. This remote control is compatible with the Bose Wave Music System IV and provides a convenient way to navigate through your music options. With a battery already installed, this remote control is ready to use straight out of the box, making it a practical and essential accessory for your audio experience.