Mouse Trust Yvi+ Silent Wireless Features Power saving yes DPI adjustable yes Silent click no Gliding pads UPE Software no Sensor DPI 800, 1600 Max. DPI 1600 dpi Sensor technology optical Control Grip type claw Left-right handed use right-handed Scroll wheel yes Trackball no Horizontal scrolling no Controls left, right, mid, dpi Number of buttons 4 DPI button yes On/off button yes Programmable buttons no Adjustable weights no Suitable surface non-reflective flat surface