Item Type: Page Turning Pen <br>Material: ABS <br>Product Size: Approx. 10.9 x 4 x 2.5cm / 4.3 x 1.6 x 1in <br>Battery Model: 1 x AAA battery (delivered without battery) <br>Supported Operating System: For Win 2000/XP/Vista/Win7/Win8/Win10/OS X/Linux. <br>Interface: USB1.1, USB2.0, USB3.0 <br>Control Distance: Approx. 10 ~ 15meter / 32.8 ~ 49.2ft (the effective distance will vary with the environment.)<br>1、The plug-and-play integrated design of the product is easy to carry and not easy to lose. <br>2、Ergonomic design, unique curved design, will not feel sore when held for a long time. <br>3、The product is made of fine frosted material, comfortable to the touch, simple and elegant. <br>4、The simple button layout and suitable size make it easy to operate in the demonstration by just moving your thumb. <br>5、The plug connected to the computer is made of metal, which is more firm and reliable during the plugging and unplugging process of the product.<p>1 x Page Turning Pen</p><p>1 x User Manual&nbsp;</p>1. Manual measurement, there is a slight error. <br>2.The wireless receiver is near to the battery inside the flip pen.