Adonite Neo Duo, Graphite Black Magnetically attached to the edge of the iPad. Thus, it is more portable and better organized. No Bluetooth pairing required. Portable and very lightweight Interchangeable spike Technical data: Dimensions: 165mm * 9 mm Item Weight: 15g Charging time: 1 hour and 40 minutes Continuous use (universal mode): 9 p.m. Continuous use (Dedicated Mode): 7 hrs Compatibility: iOS, iPadOS, Android Special mode (blue light) is compatible only with: iPad Air (3./4th generation), iPad mini (5./6th generation), iPad (6./7./8th/9th generation), iPad Pro 11" (1./2./3rd generation), iPad Pro 12.9" (3./4./5th generation) and latest version. Package includes: 1x stylus 1x USB-C charging cable 2x spike