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 onA 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 500/1000 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: 1. 2.4 GZ touch pen mouse with web browsing. Approx 33ft effective distance. 2. Ergonomics design: fits comfortably on your hand. 3. Two resolutions Adjustable: 500/1000 dpi 4. Nano dongle 5. Support 7 / 8 / Vista / XP / 2000 / ME / NT 6. Compatible device: Perfect for laptop, tablet pc, smart phone. 7. Battery: 1.5V AAA 8. Size: 140*20*15mm 9. Weight: 29 g 10. Number of keys: 4 11. Operating Frequency: 2.402GHZ-2.480GHZ 12. Channel: 16 with automatic frequency hopping 13. Tracking Method: optical technology 14. Maximum acceleration: 14 inches/s Package: 1 * Pen Mouse 1 * USB 2.4GHz Receiver 1 * Mount 1 * English Manual