Lychee Innovative Mini Pen-style Mouse with Stylus Function for both left/right-handers, you can use it for your tablet, laptop, desktop at will. Low Power Alert: There will be red light flashing between the scroll wheel and left key when the pen mouse is at lower power level. When it's charging, there is a also a red light and it will change into green after full charge. A best tool for conference and multimedia teaching Equal to PowerPoint presenter when needed, use mouse wheel to turn pages freely, presenting ppt at business meeting or assisting multimedia teaching. Remote control distance range is up to 10 meters so you can free to move around the room and interact with your audience. Specifications: Color: Grey, Yellow, Pink Battery: 450mAh lithium Max input: 5V 2A DPI: 1200 (default) Support system: Windows All Mac OS Android Linux NOTE: *The pen mouse and the receiver are paired up at factory, DO NOT mix up paired USB receiver and pen mouse. *DO NOT strike or knock the device. *The transmission distance can be up to 12m in electromagnetic interference free environment. Computer with substandard electromagnetic compatibility may lesssen transmission distance. In this case, USB cable is suggested for the receiver. Package included: 1 x Pocket Pen Mouse 1 x TYPE-C charging cable 2 x USB to USB C and Micro USB Adapter 1 x Carry Bag 1 x User's Guide