Mouse fara fir Trust Zelo Silent optical mouse General Formfactor standard Ergonomic design no Height of main product (in mm) 96 mm Width of main product (in mm) 57 mm Depth of main product (in mm) 38 mm Total weight 85 g Features DPI adjustable yes Silent click yes Software no USB receiver storable yes Power saving yes Sensor DPI 1000, 1600, 2400 Max. DPI 2400 dpi Sensor technology optical Control Grip type palm Left-right handed use right-handed, left-handed Scroll wheel yes Trackball no Horizontal scrolling no Controls left, right, dpi, on/off Number of buttons 4 DPI button yes On/off button yes Programmable buttons no Adjustable weight no Suitable surface non-reflective flat surface Connectivity Connection type wireless Bluetooth no USB version 2.0 Connector type USB Wireless range 8 m Wireless protocols RF 2.4GHz USB receiver included yes Gaming Designed for gaming no Lighting Lights no Power Batteries included yes Rechargeable battery no Number of batteries 1 Battery type (AA, AAA, etc.) AA Battery life (months) 6 month Wireless transmission power (mW) 1 mW Input Power source battery Compatibility Compatible Device Types pc, laptop Compatible Software Platforms Windows, Mac OS, Chrome OS https://www.trust.com/en/product/22706-zelo-silent-click-wireless-mouse