Thank you for viewing this product. Product: ・20° Tilt Add-on Stand for Logitech ERGO M575 Series, 1 piece M575 M575S M575SP M575SPd M575GR M575SPGR M575WH Condition: ・New, unused Description: ・This is a wrist angle accessory to reduce wrist fatigue and pain when using the ERGO M575 series trackball mouse. ≪Installation Instructions≫ 1. Remove the battery cover from the ERGO M575 body and attach it to the battery cover storage area (orange) of the tilt stand (the USB receiver can remain stored in the ERGO M575 body). 2. Lightly hook the mounting protrusion (blue) of the tilt stand onto the battery cover groove of the ERGO M575 body. 3. Insert the mounting protrusion (green) of the tilt stand into the ball hole of the ERGO M575 body, and the installation is complete. ≪Features≫ ・The tilt stand is designed to stay attached even when the ERGO M575 body is lifted. ・The power switch (ON/OFF) of the ERGO M575 body can be operated while the tilt stand is attached. ・Four non-slip cushion rubber pads are used on the back of the tilt stand to improve stability during use. * Due to the size and weight of the mail, it will be packaged in a clear pocket and shipped in an envelope. * We will ship as soon as possible on the same day, or at the latest, the next day. * No discounts. * Immediate purchase OK. If you have any questions or concerns, please feel free to comment. Thank you very much.