Model: M196Tracking Method: Smooth optical trackingConnection Type: Bluetooth Low Energy TechnologyColor: Graphite, Off-WhiteBattery Life: Battery life: Up to 12 months
Model: M240Button: Bluetooth Low Energy TechnologyTracking Method: Smooth optical trackingConnection Type: Bluetooth Low Energy TechnologyColor: BlackBattery Life: Battery life: Up
Model: M240Button: Bluetooth Low Energy TechnologyTracking Method: Smooth optical trackingConnection Type: Bluetooth Low Energy TechnologyColor: RoseBattery Life: Battery life: Up
Model: M240Button: Bluetooth Low Energy TechnologyTracking Method: Smooth optical trackingConnection Type: Bluetooth Low Energy TechnologyColor: WhiteBattery Life: Battery life: Up