Uniway MZ-012 Wireless Mouse Rechargeable Optical Mouse,3 Ports USB HUB 2.0 Mice,Data Exchange and 3C Product Charging Two-in-one USB Mouse With Two Sections of 7 Alkaline Battery-Gray Reliability and ease-of-use mice: You can enjoy both the reliability and accuracy of a corded mouse and the freedom and comfort of a wireless mouse.Forward/back shortcut keys on the side of the USB mouse for webpage bowse and resource manager can offer you great fun in daily use. 2.4GHz wireless mouse with multi-port: This wireless mouse comes with 3 HUB ports and 1 quick charge port,a more secure and precise experience than the traditional system with an increased working distance up to 10m,you can enjoy with cordless convenience and freedom-fast data transmission and virtually no delays or dropouts. Two-in-one optical mouse: DPI button can select your preferred cursor speed,advanced technology provides precise and smart cursor control over many surface types.You'll enjoy smoother tracking on just about most surface.This mouse is just a data exchange and 3C product charging two-in-one. High compatibility and easy-use optical mouse: There's no need to re-establish pairing after a signal loss or shutdown for the first pairing.Use your mouse with your left or right handambidextrous design makes it comfortable either way. Energy Efficient USB mouse with free batteries: This rechargeable mouse comes with two sections of 7 alkaline battery and can automatically adjust the battery save function.Battery life may vary based on user and PC condition.