Features: 1.Plug and Play: This laser pointer supports plug and play, simply plug the receiver into a USB port, providing great convenience. 2.Multi Function: This presentation click pointer integrates multi functions, such as up and down page turning, hyperlink control. Widely compatible for Win, for Android and for OS X Laptop. 3.328ft Control: This laser pointer pen is designed with 2.4G highly sensitive chip, which supports up to 328ft control distance, stable and reliable. 4.Rechargeable Battery: This wireless presenter is equipped with inbuilt 270mAh rechargeable battery that supports hours of use. Low battery indicator offers great convenience. 5.Portable Size: This black presentation clicker with large button is small in size and light in weight, ideal choice for teachers, students and office workers. specification:Item Type: Laser Pointer Material: Frosted Plastic Battery: Polymer Lithium Battery Capacity: 270mAh Product Size: Approx. 14 x 2 x 1cm / 5.5 x 0.8 x 0.4in ( Manual Measurement, Slight Error May Exist ) PackageList:1 x LaserPointer 1 x USB Cable 1 x User Manual