Product Description: The award-winning design of the Arc Touch Mouse is even better with newly added Bluetooth 4.0 Low Energy. A clutter-free and reliable experience that works from up to 30 feet away. Utilizing the latest in Bluetooth technology, consuming less power. And just like the original, the Arc Touch Bluetooth Mouse curves to turn on and flattens to turn off. Comfortable and portable, shaped to match the natural curve of your hand, it’s a perfect fit for your mobile lifestyle. The touch strip responds precisely to the speed of your finger movement, using haptic feedback to scroll vertically. Take advantage of BlueTrack Technology, which combines the power of optical with the precision of laser for remarkable tracking.