Left and right symmetrical ergonomic mouse: The wireless mouse uses an ergonomic design, taking into account the user's left or right hand habits; simple streamlined shape. Ergonomically designed. Smooth and comfortable design. Perfectly fits your hand curve. Can be used for a long time. Rechargeable Bluetooth Wireless Mouse: Built-in 650mAh lithium battery. Easy to charge via micro USB cable. No need for an additional AAA battery. Please keep the mouse power switch in the "ON" position when charging. One straight charge will last for up to 10 days. 6 BUTTONS: Scroll wheel, Page forward, Page back, Left button, Right button, DPI button. You can click the side (forward/backward) buttons to go to the next or previous page. Easy to go back or forward with these 2 buttons. when you quickly move through documents or browse web pages.Optical Mouse & Silent Mouse: High-precision optical tracking technology allows you to enjoy fast response, smooth cursor control, accurate tracking, and special silent designs for the right and left buttons in public places like offices, libraries, and dormitories where you don't want to disturb others.WIDE COMPATIBILITY: Bluetooth 3.0 connects your devices in 3 seconds without any interruption. Compatible with most systems, including Windows, Mac, and Linux. Suitable for notebooks, PCs, laptops, computers, MacBooks, and other devices. Note: NOT compatible with Apple iPhone, iPad, MacBook 2016, or MacBook Air.