Logitech M570 Wireless Trackball Mouse is an older mouse that is still sold by some retailers and still supported on Logitech's website.
Mouse Dimensions (height x width x depth):
3.74 in (95 mm) x 5.71 in (145 mm) x 1.77 in (45 mm)
Mouse Weight (including battery): 5.01 oz (142 g)
Receiver Dimensions (height x width x depth):
0.57 in (14.4 mm) x 0.74 in (18.7 mm) x 0.24 in (6.1 mm)
Receiver Weight: 0.06 oz (1.8 g)
Color Silver and blue
Sensor technology: Laser
Sensor Resolution: 540
Number of buttons: 5
Scroll Wheel (Y/N): Yes
Battery life: 18-month battery life*
Battery type: 1 AA battery
Wireless operating distance: Approx 10m*
Wireless technology: Advanced 2.4 GHz wireless connectivity(Unifying supported)
Software SetPoint、LCC
Interface: USB
