The ELECOM Relacon Bluetooth Trackball Mouse M-RT1BR is a sleek and ergonomic mouse designed for precision tracking. With a unique trackball design and advanced optical tracking method, this mouse provides smooth and reliable cursor control. The Bluetooth connectivity allows for easy pairing with various devices, while the ergonomic design ensures comfortable use over extended periods. Additionally, the thumb button, 10 buttons, and scroll wheel offer convenience and versatility for everyday tasks. In classic black color, the ELECOM Relacon Bluetooth Trackball Mouse is a stylish and practical choice for those seeking a reliable and efficient mouse for their computing needs.