ERGONOMIC VERTICAL MOUSE CONSTRUCTION AND REMOVABLE GLOVE SUPPORT The ergonomic mouse with a unique vertical design puts your hand in a natural handshake position, prevents hand fatigue, twisting the forearm and reducing muscle strain Be a whole part and let your wrist off Take off the floor and rest on the comfortable cushion that protects your wrist from rubbing when you move the mouse. 2.4G WIRELESS MOUSE wireless 2.4GHz wireless mouse, up to 10m (32 feet) efficient distance, plug and play, easy and convenient for your work. 3 LEVEL ADJUSTABLE DPI 5 Adjustable DPI (800-1200-1600DPI) with highly sensitive optical engine that enables smooth and precise tracking on a variety of surfaces. You can easily adjust the cursor speed to different scenes. SENSITIVE SENSOR AND WIDE COMPATIBILITY Compatible with Windows 10, Windows 8, Windows 7, Windows XP, Vista, Linux, etc. Fits for various devices, laptops, PCs, notebooks and Macbooks (limited support for Mac which are side button not available for Mac). With a sensitive sensor, the wireless mouse can be used anywhere, including rough or smooth surfaces. Why ergonomic vertical mouse. Most people get mouse hands after long periods of work with a computer or laptop, because you often twist your forearm muscles with traditional mouse-holding gestures. That's why the ergonomic vertical mouse comes out. Compared to traditional mice, the ergonomic vertical mouse is more comfortable and friendlier to the human hand. Not only can it reduce muscle stress, but it can also prevent the mouse hand problem. Find a better, more hand-friendly way to use the mouse. Ergonomic, comfortable handle. Reduces wrist or hand fatigue. Do not twist and release the pressure. More natural. Ergonomic design is not only for structure but also for habit. With special button layout design, thumb recess and rubber coating to make it easier for you to use and provide you with a comfortable and natural usage experience.with removable palm rest with Ergo button arrangement Sensitive sensor. With sensitive sensor, it can be used on rough and smooth surfaces .Specifications: Buttons: 6 (left, right, scroll wheel, forward, backward, DPI button). DPI: 800/1200/1600 DPI. Operating voltage: 5 V. Keystroke Life: 3 million Interface: Golden USB. Mouse weight: 190 g. Dimensions of the mouse (L x W x H): 149 x 95 x 99 mm. Compatible system: Basic function is compatible with Windows XP, Vista, 7, 8, 10, Linux. Scope of delivery: 1 x M618 mouse 1 x instruction manual .