Bluetooth Wirele Mouse Arc Touch Flexible Folding Mice Ergonomic Flat Silent Mouse Office For Microsoft Laptop PC Desktop Mac Features: Version: Foldable Mouse Style: Ultra Slim Material: Silicon + ABS Power supply: 2*AAA battery(not included) Buttons: Left/Right button,Pair button Scroll type: Touch stripe Color: Gray, Black,Green,Blue Size(Folded): Appr.123*56*29 mm Size(Unfolded): Appr.135*56*15 mm Net Weight: 70g Connect method: Bluetooth 4.0 wirele technology Tracking method: Laser DPI: 1600 Application: For PC/Laptop/Computer/Macbook To turn on the mouse, you must bend the mouse completely. Specification: 100% new and high quality. Ergonomically designed, optical tracking technology, working on many different surfaces and ideal usage for home, office or game. Bluetooth Wirele super slim mouse, comfortable touch. Silent design,without distubring others ultra quiet sound design build a quiet atmosphere. System support: Windows 2000, Windows XP, Windows 7, Windows Vista, Windows 98, Mac OS, Windows ME, Windows 8, Windows 10 and so on When it is not moved for more than 30 seconds,it will be in sleeping mode,clicking the button can restart the mouse Note: 1. To activate the mouse, you must bend the mouse completely. 2. If you have any problems with the mouse or need any help, please contact the seller for help before opening the dispute or leaving any negative comments. Thanks for your understanding. Picture show Arc Touch Design When the mouse is curve, it is ON; When the mouse is straight, it is OFF. ** *Ergonomic Design, Helping hands reduce pain . Silent design, build a quiet office atmosphere and avoid disturbing *More Detail: