2.4g Wireless Mouse Pen Personalized Creative Vertical Pen Mouse Computer Stylus Mouse*The Effective Distance Of 2.4ghz Wireless Transmission Is 8-10m*Avago 5090 Photoelectric Chip Is Linear And Stable With Strong Surface Crossing Ability*The Current Is 14ma. One No. 7 Battery Can Be Used For 1-3 Months. It Has The Function Of Automatic No Signal Power Off, Which Is More Power-Saving*Handwriting Input, Which Can Be Used On A Narrow Desktop*Handwritten Design, Comfortable To Use When Sitting At Different Angles, Without Fatigue*Humanized Key Position Design, Easy To Grasp*Mouse Small Base, Placing Does Not Take Up Space.1.2. 4g Wireless Mouse, Transmission Distance 10m2.3 Cpi Adjustment: 800 / 1200 / 16003. Micro Wireless Receiver4. Support Windows 7 / 8 / 10 / Vista / Xp / 2000, Android, Linux, Mac Os5. Use One Aaa Battery6. Detailed Parameters:(1) Product Size: 140 * 20 * 15mm(2) Product Weight: 29g(3) Number Of Keys: 4(4) Radio Carrier Frequency: 2402 Mhz - 2480 Mhz(5) Wireless Working Channels: 16, Automatic Frequency Hopping(6) Rated Working Voltage: 3v(7) Rated Working Current: 15 Ma(8) Tracking System: Optics(9) Speed: 14 In / S