Rechargeable Wireless Vertical Mouse Wireless Mouse 2.4G High Precision Ergonomic Optical Mice with 3 Adjustable DPI 800-1200- 1600 6 Buttons

Specifications: Item type: Ergonomic Optical Mouse Resolution: 800dpi;1600dpi;2400dpi. Button: 4 buttons and 1 wheel (middle  button)and 2 dpi (Adjustable ) Maximum operating range: 10m Color: Black+Red Material: ABS Button life: 5 million times Power supply: 2 x AAA battery (batteries not included) System Requirements:Windows 98/Me/2000/XP/Vista/Win 7/Win8/win10 or latest. Prosuct size:10*8.5*7cm Prosuct weight:80g(Including USB receiver weight) Package: 1 x Mouse 1 x USB Receiver 1 x English User Manual Three-level power saving mode: 1: Three seconds into the first sleep light flashing continuously 2: 1 minute or so to enter the secondary sleep, intermittent flashing lights 3: 8 minutes or so, go to level 3 sleep, the light goes out