Function meets style with elegant curves and premium finishes. Intuitive circular interface and rotating bezel for easy navigation, Access to important notifications, texts, and updates at a glance. 1.2-Inch Display Size / 4GB Internal Memory / RAM 512MB Connectivity - Wi-Fi : 802.11 b/g/n 2.4 GHZ, Bluetooth : Bluetooth v4.1, Bluetooth Profiles: A2DP, AVRCP Compatible with Android 4.4 and later with 1.5GB RAM. Some features may not be available. For best compatibility, connect with Samsung Galaxy devices. Wireless charging dock included. The smart watch will work with AT&T data / cellular plan + over Bluetooth with any Android Smart Phone