Features: 1.Ergonomic 2.4GHz gaming wireless mouse with 4?port USB hub charging base. 2.The mouse is easy to use, plug and play, no need to install any plug?in drivers. 3.The forward and backward shortcuts on the side can easily browse the web and browser. 4.With symmetrical design of left and right hands, it can be operated at will, very user?friendly. 5.Support for Windows/OS X system, strong adaptability, whether it is games or office. specification:Item Type: Wireless Mouse Material: ABS Connection: Wireless 2.4GHz/wired (equipped with a data cable, the length of the cable is approx.80cm / 31.5in) Frequency Range: 2.420-2.480GHz Effective Receiving Distance: Approx. 10meter / 32.8ft DPI: 800-1200DPI Number of Mouse Buttons: 5 Mouse Button Life: About 3 million times Mouse Battery Type: 2 x AAA battery (not included) Base Extension: 4 x USB port Base Line Length: Approx. 1.4meter / 4.6ft Support System: For Windows/OS X, etc. PackageList: 1 x Mouse 1 x Data Line 1 x Base 1 x User Manual Note1.The base can charge the mouse. 2.It is recommended that the mouse use rechargeable AAA batteries (not included)