Rechargeable Waterproof LCD 100lv Shock Remote Pet Bark Training Collar, 330 Yd Compatible with Microsoft Surface Pro 6, Surface Go,Surface Pro 2017, Surface Pro 3/4/5, Surface Book. This Pen is also Compatible with Sony VAIO Duo 13, Duo 11, Asus Transformer3 Series,HP Spectre x360(2017).Please Pay Attention That This Stylus is NOT Compatible With Surface Pro 1, Surface Pro 2 and Surface RT. No Drivers or Bluetooth Connection are Required. Wireless Connection,Easy to Operate.Just Put an AAAA Battery (included) into the Pen, and then it will Work Perfectly. Easy Storing: Book, Bag or Pocket - Clip it and Carry it Anywhere.This Pen is Incredibly Detailed and Maneuver Easily Across the Screen. Only Took about 5 Minutes to Adapt to the Functionality & You can Use it Enough. Drawing, Writing, Accessing Files All Comes with Great Ease. 1024 Levels of Pressure Sensitivity-Upgraded Stylus Technology,Powered by N-Trig Technology (Same as Original Microsoft Surface Pen),Provide Highly Sensitive and Precise Writing & Painting Experience.It is Perfect for Artists,Architects,Officers,Teachers,Students and Children to Write, Draw, Mark, Sign and Make Notes Anytime and Anywhere. 100% MANUFACTURER MONEY BACK GUARANTEE90 Days for a No-Question-Asked Refund,24h Respond E-mail Time,1 Year Warranty and Lifetime Support Guarantee.