Network/Bearer InfraWi-Fi,Bluetooth Audio and Video Audio Playing FormatMP3,M4A,3GA,AAC,OGG,OGA,WAV,AMR,AWB Connectivity Location TechnologyGPS,Glonass,Beidou,Galileo Wi-Fi802.11 a/b/g/n 2.4+5GHz NFCYes Bluetooth VersionBluetooth v5.3 Bluetooth ProfilesA2DP,AVRCP,HFP,HSP OS Wear OS Powered by Samsung Display Technology (Main Display)Super AMOLED Size (Main Display)1.5″ (37.3mm) Resolution (Main Display)480 x 480