Byzero Studio Digital Pen for Apple iPad 2 and iPad 1 (Certified "Made for iPad") Precise & detail handwriting: Byzero Studio Pen offers the finest pen among current styluses and write like a real pen on paper with high level of precise and accurate control. Palm rejection: Unlike other stylus pens, Byzero Studio Pen uses palm rejection technology to avoid unwanted palm detection while writing. Mobility: Byzero Studio Pen offers a premium experience with a simple installation by simply plugging the receiver to iPad's charging port. Download Byzero apps (Two versions available: Studio Basic and Studio Basic Plus) from iTunes App store. Apps offers a variety of functions including note templates, detail writing/drawing and supports Twitter, Facebook, email and more. Made for iPad: Made for iPad logos mean that an electronic accessory has been designed to connect specifically to iPad and has been certified by the developer to meet Apple performance standards.