Innovative mini pen-style mouse With handwriting input function, you can use it as a writing board for your tablet, laptop, desktop at will. Download a handwriting software, select handwriting input, such as Xunfei, Sogou and so on 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. Two tracking speed Provides 800/1200/1600 cpi switch, press the switch button and choose the mode you perfer all times. Low voltage alarm When the alarm lights up, remind you to change battery in time, in case of stopping normal use. Specifications: 2.4 GZ touch pen mouse with web browsing. Approx 33ft effective distance. Ergonomics design: fits comfortably on your hand. Two resolutions Adjustable: 800/1000/1200 dpi Nano dongle Support 7 / 8 / Vista / XP / 2000 / ME / NT Compatible device: Perfect for laptop, tablet pc, smart phone. Battery: 1.5V AAA Size: 140*20*15mm Number of keys: 4 Operating Frequency: 2.402GHZ-2.480GHZ Channel: 16 with automatic frequency hopping Tracking Method: optical technology Maximum acceleration: 14 inches/s Package: 1 * Pen Mouse 1 * USB 2.4GHz Receiver 1 * Mount 1 * English Manual