This product is either discontinued or we cannot get that from suppliers.
3M Ergonomic Mouse - Small 70005042646, Wireless, Optical sensor, For right-handed use, Interface USB.
The 3M Ergonomic mouse is clinically proven to alleviate pain and discomfort of repetitive stress injuries in the hand, wrist or arm associated with the use of traditional mice which can pronate the forearm and wrist and typically presses.