Time-Honored Craftsmanship, Infinite Styles ASUS ZenWatch 2 Android Wear Smartwatch is equipped with a luxurious stainless-steel casing with an elegantly curved watch crystal. Features: High-quality stainless-steel case. Android Wear 5.1.1 (Compatible with Android 4.3+ and iOS 8.2+). Wi-Fi enabled, Bluetooth 4.1+. 2.5D curved Corning Gorilla Glass 3 AMOLED Touch Screen. Qualcomm Snapdragon 400, 1.2GHz. IP67 water-resistance. 512MB RAM / 4GB Storage. Built-in Microphone. Custom watch faces. 400mAh Battery, Magnet charging, Cradle-less. Interchangeable band. Built-in pedometer for accurate fitness tracking.