Delux M618GX Wireless Vertical Mouse 6 Buttons 800/1200/1600DPI Optical Office Mice with Rubber Protective Shell for PC Laptop Product Description: Deluxe M618GX Mouse is a type of wireless vertical mouse, adopting human ergonomic design. The new griping holding method with palm rest can free user wrist and reduce the tiredness of arm, providing comfortable feeling. 2.4G wireless office mouse, making your work more efficient.The mouse with rubber protective shell will reduce the tiredness for long time using. Features: Human engineering vertical mouse, wrist-healing, providing a health working method; 2.4G wireless mouse, 10 meters efficient distance; Rubber coating on palm rest and main part to enhance user experience Removable rubber palm rest, anti-skid Specifications: Wireless Mouse DPI:800/1200/1600 6 Buttons: Left Click/ Right Click/ scroll wheel/ Forward/Backward/DPI Button Battery: 2*AAA batteries (Not Included) Size: 135.5 mm (L) — 100.0 mm (W) —87.0 mm (H) Interface: USB Compatible For Windows XP /7/8/10 Box Contains: 1— M618GX Mouse 1— User Manual