This Apple watch is compatible with Android 4.3 and later systems and iOS systems, making connections between the watch and Android/iOS smartphones possible. This black watch provides easy visibility with a 1.3-inch display on a full-metal body. The screw-less back ensures water resistance. The watch band consists of stainless steel with a black finish. It carries 4GB in memory to enable fitness sensors and environmental conditions. This watch can stream music, and the system is unlocked to any network.