Morjava PR-06 Updated Stylus Electical Pen Wireless 2.4GHz Optical Pen Mouse Adjustable 500/1000DPI Handwriting Smart Mouse for PC Laptop iMac Android Tablet 1.Touch pen mouse with web browsing instruction. 2.2.4G Wireless touch screen Pen Mouse,10m effective distance, USB receiver with plug and play. 3.Detecting the mouse movement with inertia, free to move in any space except glass. 4.Pen-type Body can be operated easily.Operated with only a thumb,Off-table mini mouse. Other Features :Wireless carrier frequency: 2402MHz2480MHz; Wireless channels: 16, channel-hopping automatically; Working voltage: 5V; Working current: 15mA; Tracing system: Optical. 5.Offical Morjava Shop BRAND, Optimal Shop exclusive sales. Don't buy not Morjava Shop store item quality is poor fake. If you have already bought from other sellers the fakes, please filed an A-Z claim ,get their money back as soon as possible. and to report that AMAZON. Counterfeit products jumper break in a short period of time, there is no warranty!