Microsoft Arc Touch Bluetooth Mouse - Grey Flexible design. Mouse is new out of original packaging. Never been used Curve for comfort, flatten to pack. an ideal fit for one's hand and one's mobile lifestyle Power on and off. Curve to turn on. Flatten to turn off. No button to switch BlueTrack technology combines the power of optical with the precision of laser for remarkable tracking on virtually any surface ( does not work on clear glass or mirrored surfaces) Foldable for transportation
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