WHAT YOU WILL GET: 1* Wireless Vertical Ergonomic Optical Mouse (2 AAA batteries not included), 1*2.4G USB receiver (in the bottom of the mouse), 1 instruction manual. 30-day Free Return and Refund,12-month warranty for SHARE SUNSHINE vertical wireless mouse,24-hour Response Time for Customer Issues. ?GOOD GIFT IDEA?Perfect christmas gift for men women mom dad daughter wife boyfriend grandparents grandma grandpa teenage boy girl sister teacher brother coworker neighbor husband. ENERGY-SAVING & WIDE COMPATIBILITY: This wireless vertical mouse will enter power saving mode (power is cut off completely) after 8 minutes idle, press right or left button for it to wake. The laptop mouse will turn off when the PC is off or the receiver is disconnected;The vertical ergonomic mouse well compatible with Windows7/8/10/XP, Vista, Mac OS X 10.4 etc. Fits for desktop, laptop, PC, Macbook and other devices. VERTICAL MOUSE WITH SIDE BUTTONS -The side buttons of ergonomic vertical mouse can help you move forward and backward when browsing the web; the superior choice for internet surfers, gamers and people who work at length at the computer. The pink ergonomic mouse runs smooth and easy to connect,super cute.The lightweight and simple features make the mouse perfect for the journey, office, home. ADJUSTABLE DPI - 800 / 1200 / 1600 DPI Resolution Optical Tracking Technology provides more sensitivity than standard optical mice,allowing you to decrease speed for tasks that require guaranteed precision or increase the speed for browsing, enjoy smooth and precise tracking on a wide range of surfaces. ERGONOMIC MOUSE- The ergonomic wireless mouse will take pressure off your wrist and hand and can even undo the damage that years of using a traditional computer mouse causes. If you're suffering from some kind of repetitive movement issue like arthritis or carpal tunnel, wrist pain, shoulder fatigue, tendonitis, this vertical mouse is going to be your best choice. More suitable for bigger hands.