Logitech M240 Silent Bluetooth - Off-White

Connection Type: Bluetooth Low Energy Technology
Wireless range: 10 m (33ft) 3
Connect / Power: Yes, on/off switch

Height: 3.90 in (99 mm)
Width: 2.36 in (60 mm)
Depth: 1.54 in (39 mm)
Weight (with batteries): 2.60 oz (73.8 g)

90% noise reduced Left/Right-click, Middle click 

Smooth optical tracking
Nominal value: DPI range
DPI range: 400-4000, Steps of 100 DPI