【Compatible with Selected Dell Laptop】tesha Stylus Pen is adopted Microsoft Pen Protocol technology, as well as better compatibility for DELL Inspiron 5485/5482/5490/5491/7390/7391/7590/7591/7586/7579/7386/7600/7506/7500/7415/7405/7306/7300/5410/5406/5400/5378/5379/5481/5578/5579/5582/7370/7373/7378/7570/7573/7579; Latitude 3190/3120/7220/3390. Same as original DELL PN350M PN338M PN771M | 【More Affordable】The Dell Pen works on AAAA battery, but the power consumption is lower, so it can be used for over 2500 hours. You don’t need to recharge it all the time. If you plan on doing a lot of note-taking or doodling, it may be a perfect choice with a considerable saving | 【Fully Features Available】Support 1024 pressure sensitivity, palm rejection, replaceable pen tip, eraser and right click functionality. This Pen is for anyone who care for the features above and wishes to have a great performance pen as likes as official DELL Pen and save some money | 【Excellent Potential for Creative Work】With this stylus pen you'll turn your DELL laptop into a powerful creative tool, allowing you to sketch and interact with various parts of Windows and it won’t scratch and damage your screen | 【What You Get】1 x Active Pen, 3 x Pen Tips, 1 x AAAA Battery. 24-Month after-sales service and 30 days free return & replacement. If you have any questions, our customer service will be there for you and we will get you back within 12 hours