This product is either discontinued or we cannot get that from suppliers.
3M Ergonomic 70071098829, Black, Plastic, Non-Wireless, Size Small, Trademark Name 1 with suffix 3M, Non-wireless, Optical Movement Detection, Hand Orientation Right Hand, Interface USB.
Ergonomic design keeps the arm positioned for natural, comfortable movement. Clinically proven to reduce muscle strain and discomfort associated with Carpal Tunnel Syndrome and repetitive stress injury.