100% brand new and high quality.Ergonomic design, this mouse fits naturally in your hand, keeping your hand in a good condition.2.4GHz wireless technology offers a stable connection between USB receiver and your computer.Wireless transmission ranges up to 33ft. (10m).Optical laser technology for precise control, 7 colors of breathing lights. This mouse will make your game experience more enjoyable.Four modes DPI (2400/1600/1200) are available, so you can change it to meet your needs.6 buttons including left button, right button, scroll wheel, DPI key, page forward, page backward.Built-in batteries, rechargeable.Intelligent connectivity. no need to code, plug play.Support Windows XP / Win 7 / Win8 / Win10 / Mac OS or latest.Charging Notes: When the mouse is charging, you need to switch to the ON position of the switch, the battery can be charged normally.