![trackballs&mice: including MS Trackball Optical, Logitech Cordless Optical TrackMan / TrackMan Wheel etc. - deskthority trackballs&mice: including MS Trackball Optical, Logitech Cordless Optical TrackMan / TrackMan Wheel etc. - deskthority](https://i.imgur.com/Dn1IVgn.jpg)
trackballs&mice: including MS Trackball Optical, Logitech Cordless Optical TrackMan / TrackMan Wheel etc. - deskthority
![trackballs&mice: including MS Trackball Optical, Logitech Cordless Optical TrackMan / TrackMan Wheel etc. - deskthority trackballs&mice: including MS Trackball Optical, Logitech Cordless Optical TrackMan / TrackMan Wheel etc. - deskthority](https://i.imgur.com/b83l5iQ.jpg)
trackballs&mice: including MS Trackball Optical, Logitech Cordless Optical TrackMan / TrackMan Wheel etc. - deskthority
![I don't have the original receiver dongle for this. Are they specific to each trackball via frequency? I have one they looks like they right one but won't connect and haven't spent I don't have the original receiver dongle for this. Are they specific to each trackball via frequency? I have one they looks like they right one but won't connect and haven't spent](https://i.redd.it/nwy9vxlx95v61.png)
I don't have the original receiver dongle for this. Are they specific to each trackball via frequency? I have one they looks like they right one but won't connect and haven't spent
![Logitech Cordless Optical TrackMan 904369-0403 Black/Silver RF Wireless Optical Trackball - Newegg.com Logitech Cordless Optical TrackMan 904369-0403 Black/Silver RF Wireless Optical Trackball - Newegg.com](https://c1.neweggimages.com/ProductImage/26-104-125-21.jpg)