The ProtoArc Ergonomic Vertical Mouse, EM11 NL Bluetooth Mouse Wireless, Ergo Mouse is a sleek and innovative mouse designed by Protoarc. It boasts ergonomic features that provide a comfortable and natural grip for users, promoting better posture and reducing strain during long hours of use. The wireless Bluetooth connectivity offers convenience and flexibility, allowing for easy pairing with various devices without the need for a dongle. This mouse is perfect for those looking for a stylish and functional option for their computing needs.