Mice & Trackballs Specification Bluetooth Arc Touch Mouse For Microsoft Surface Wirele Foldable Ergonomic Computer Mice 3D Mute Laser PC Laptop Desktop Mause Package Includes: 1 * Bluetooth wirele foldable mouse 1*mouse+1*protection bagIf you ordered suit Features: Version:Foldable touch arc wirele mouse Style: Ultra Slim Material: Silica gel + ABS Power supply: 2*AAA battery(not included) Buttons: Left/Right button,Pair button Scroll type: Touch stripe Color: Grey Size(Folded):Appr.123*56*29 mm Size(Unfolded):Appr.135*56*15 mm Net Weight: 49g Connect method: Bluetooth 4.0 wirele technology Tracking method: Laser DPI: 1600 Application:For PC/Laptop/Computer/Macbook Descriptions: , high-quality and flexible design Arc touch designed, laser tracking technology, works on many different surfaces and ideal usage for home, office or gaming Ergonomically designed for office worker,prevent from "Mouse Hand",take care your health Silent click won't disturb others when you are working,build up a quiet atmosphere Bluetooth 4.0 wirele transmiion technology without any delays Mini size and slim body,portable to carry out,you can work with this mouse everywhere It will fall asleep to save the battery automatically if not use for 30 seconds Perfectly fit for your PC and laptop Light weight and easy to install Silica gel material and ABS mixed,comfortable to touch Compatible with Win 8 or later,Apple laptop and notebook can be used directly,Apple phones and tablets need to be installed after the jailbreak to install the mouse plugin Please Note:If the touch stripe doesn't work, generally you just need to change the batteries, then the mouse can work normally. Product show Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.