1. High sensitivity with 1.4-2.3mm superfine nib 2. Easy to carry dimension with 9.0x130/145/180mm 3. Easy to work with active sensing technology, without additional receiver or Bluetooth devices 4. Easy charging with micro USB port, 12 hours long working time 5. Provides a smoth pen like writing experience for your touchscreen tablet or phone 6. Suitable for iPad Pro 3 2018 11 inch A1979 / A1980 / A2013 / A1934, iPad Pro 3 2018 12.9 inch A1876 / A1983 / A2014 / A1895; iPad Air 3 10.5 inch A2152 / A2123 / A2153 / A2154; iPad 6 9.7 inch 2018 A1893 / A1954, iPad 6 10.2 inch 2019 A2197 / A2198 / A2228 / A2230 / A2068; iPad Mini 5 7.9 inch A2133 / A2124 / A2126 / A2125