Adesso iMouse T40 Wireless Programmable Ergonomic Trackball Mouse - Optical - Wireless - 30 ft - Radio Frequency - 2.40 GHz - Black - USB - 4800 dpi

**** The iMouse T40 Wireless Programmable Ergonomic Trackball Mouse has garnered a mixed response from users, highlighting a blend of innovative features and significant concerns regarding performance. Many customers appreciate the convenience of a wireless setup, noting that it enhances their overall experience compared to traditional wired mice. The ease of use is often mentioned positively, indicating that users value the ergonomic design intended to reduce wrist strain during prolonged computer sessions. However, this appreciation quickly diminishes when it comes to tracking capabilities. A recurring theme in reviews points to erratic cursor movements and difficulty in achieving precision, particularly when drawing or performing tasks that require a steady hand. Users report issues such as the trackball failing to make Consistent contact, resulting in a choppy and unpredictable cursor behavior. These performance flaws contribute to a frustrating experience, leading some customers to label the mouse as ineffective for their needs and, in certain cases, return the product entirely. In summary, while the iMouse T40 offers the advantages of wireless freedom and ergonomic design, it falls short in terms of reliability and precision. The product seems more suited for casual tasks rather than detailed or professional work. **