Bluetooth Wireless Optical Mouse (White): Ergonomic, USB 2.4 G Receiver, FREE Bonus Capacitive Screen Stylus Pens Touch Pen 1. ERGONOMIC DESIGN : A wireless mouse is a perfect electronic gadget towards portable devices such as laptops.It is slim in look while manufactured and ergonomically designed with 2.4GHz wireless. This wireless mouse is an ideal gadget for office and home use. It can be transferable from one place to another easily. 2. COMPATIBLE WITH MOST LAPTOPS, COMPUTERS, MAC:It proves most compatible with the portable laptops as well as desktops through the USB receiver that it has packaged inside its battery slot. 3. WIRELESS BLUETOOTH USB :The optical tracking technology that it has, allows it to works on many distinct surfaces. The DPI switch that this mouse has allows it for its adjustable sensitivity. 4. LONG LASTING BATTERY UP TO 18 MONTHS:POWER SAVE MODE:It is powered by two AA batteries that are not coming with the package, but you have to install it manually by purchasing outside and the package contains only one wireless mouse and a USB receiver. 5. BEST QUALITY YET AFFORDABLE: fitting-edge curve that looks AND FEEL GREAT yet affordable wireless laptop accessory.