Elecom EX-G Pro Trackball Mouse - Bluetooth

■Interface/Connector type：USB(A)male (Wired/Wireless 2.4GHz mode) ■Supported devices：Windows PC, Macintosh equipped with USB Interface ■Supported OS：Windows10, Windows RT8.1, Windows 8.1, Windows 7, Macintosh OS X 10.13(High Sierra) ※Update to latest version of each OS and installation of service pack may be necessary. ※Horizontal scroll is unavailable at Windows RT8.1. ■Resolution：500/1000/1500 counts(Switchable)　 ■Radio wave method： GFSK(Wireless 2.4GHz Mode)/FHSS(Bluetooth mode) ■Radio frequency：　2.4GHz(Wireless 2.4GHz/Bluetooth mode)　 ■Operation distance： On Magnetic surface (e.g. steel desk)： 3M, On Nonmagnetic surface(e.g. wood desk)：10M　 ■Reading method：Optical sensor method　 ■Output optical beam kind: Invisible wavelength area　 ■The number of the buttons：8 ※We include wheel button　 ■The number of the wheels：1 ■Horizontal scroll：Supported　 ■Receiver storing：◯　 ■Continuous operating (Wireless 2.4GHz mode)：Low Energy Mode：Approximately 134 hours High Speed Mode：Approximately 91 hours　 ■Continuous operating (Bluetooth mode)：Low Energy Mode：Approximately 167 hours High Speed Mode：Approximately 104 hours　 ■Continuous standby time：(Wireless 2.4GHz/Bluetooth mode)：Approximately 925 days　 ■Estimated battery terms (Wireless 2.4GHz mode)：Low Energy Mode：Approximately 301 days High Speed Mode：Approximately 211 days ■Estimated battery terms (Bluetooth mode)：Low Energy Mode：Approximately 366 days High Speed Mode：Approximately 240 days ※We calculate that use a mouse 5％ in using PC for 8 hours on each days. ■Power supply (the body)：either one of the AA alkaline dry cell, AA manganese dry cell, AA nickel-metal hydride rechargeable. ■Power supply voltage：1.5V ■Dimensions classification：Extra Large size ■Weight (Mouse)：Approximately 147g ※We do not include battery ■Weight (receiver)：Approximately 2g ■Accessories AA alkaline dry cell *1 for operation check, User manual *1, wire connection cable*1.