Feature:1. Plug and Play: This laser pointer supports plug and play, drivers or softwares are not required. Simply plug the receiver into a USB port, providing great convenience.2. Multi Function: This presentation click pointer integrates multi functions, such as page up and down, volume up and down, blank screen on and off, hyperlink.3. 328ft Control: This laser pointer pen is designed with 2.4G highly sensitive chip, which supports up to 100 meters / 328ft control distance, stable and reliable.4. Rechargeable Battery: This wireless presenter is equipped with inbuilt 90mAh rechargeable battery that supports hours of use. Widely compatible for Win, for Android and for OS X Laptop, for Linux.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 PointerMaterial: ABSBattery: Rechargeable Nickel Cadmium Lithium Battery (90mAh) (Inbuilt Battery Included)Remote Control Mode: 2.4G Radio Frequency Remote Control Distance: Over 30 Meters / 98.4ftLaser Wavelength: 650/520nmWorking Voltage: 3.7-4.2VLaser Color: RedOperating System: Suitable for Win, for Android and for OS X Laptop, for Linux.Package List:1 xLaser Pointer1 x USB Cable1 x User Manual1 x Receiver