Logitech M171 Wireless Mouse

• Mouse Dimensions (height x width x depth): 3.89 in (99 mm) x 2.36 in (60 mm) x 1.54 in (39 mm)
• Mouse Weight (including battery): 2.65 oz (75.2 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)
• Sensor technology: Advanced Optical Tracking
• Sensor Resolution: 1000
• Number of buttons: 3