Best Explorer Trackballs

"HUGE" has largest trackball among all the ELECOM trackball products. Enjoy innovative operation feeling by Trackball with a diameter of 52mm. Interface Connector type(A)male Supported devices Windows PC, Macintosh equipped with USB Interface Supported OS：Windows10, Windows RT8. 1, Windows 8. 1, Windows 7, Windows XP, Macintosh OS X 10. 12 Update to latest version of each OS and installation of service pack may be necessary. Resolution：500/1000/1500 counts Reading method Optical sensor method The number of the buttons: 8 We include wheel button The number of the wheels：1 Communication method Radio frequency：2. 4GHz Radio wave outreach When we use on one of magnetic material (including desk of iron): When we use on 3m, one of nonmagnetic material (including desk of tree): 10m button Receiver storing：Continuous operating Approximately 235 hours in low energy mode/Approximately 137 hours in high speed mode Continuous standby time Approximately 1851 days Estimated battery life Approximately 534 days in low energy mode/Approximately 325 days in high speed mode Power supply (the body)：2 AA alkali dry cell, AA manganese dry cell, either one of the AA nickel-metal hydride rechargeable. Voltage rating (the body)：1. 5V Color, Black (Mouse)：Width 114. 7* depth 181. 9* 57. 2mm in height Dimensions classification Extra Large size Weight (Mouse)：Approximately 260g We do not include battery Dimensions (receiver)：Width 13. 1* depth 18. 2* 5. 0mm in height Weight (receiver)：Approximately 2g Accessories alkali dry cell *2 for operation check, User manual *1.