Each module is equipped with sound-absorbing cotton for a purer, more robust button sound. The directional buttons support angle adjustment, adjustable within the range of 0-30 degrees. (You need to unscrew the screws before adjusting the angle.) 9-key module: The buttons in the nine-grid area use LED backlighting. Attention: Our module products are only suitable for the HautePad X series and cannot be used for other models. Color: Black Material: plastic Package Contents: 1 * MX Suit set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.