Contour Design RollerMouse Red Wireless Mouse Wrist Wrest Roller Bar - Balance Keyboard CompatibleDescriptionSpecificationsShipping The RollerMouse Red is unique to the RollerMouse family in that, unlike other RollerMouse models, its Rollerbar is larger, textured, and designed to give you optimized tactile feedback, giving you unrivaled precision. It comes with two palm support options: Standard and Plus. Our Standard RollerMouse Red palm support is great for those with small to medium hands while the Plus option works with larger hand sizes. All