Features: [1.6-inch Large Full-Touch Screen] Equipped with a 1.6-inch round display with a resolution of 400*400 and 354PPI,the visual effect of Awatch GT2 far exceeds the ordinary watch. [Facial Recognition Technology] Built-in powerful algorithms. After extracting 1068 facial features from a person's face in 0.1 second,the smart watch can be unlocked.Simple and convenient operation,better protect your privacy. [Dual 4G Global Frequency Bands]This watch supports 4G networks of TDD LTE and FDD LTE,and is compatible with WCDMA,GSM and other frequency bands in most countries and regions around the world. [Strong Core] The core of AllCall Awatch GT2 is equipped with 64-bit quad-core MT6739, which is based on ARM CortexA53 CPU and runs up to 1.25GHz.With 3GB + 32GB of storage,this top-of-the-line configuration ensures that AllCall Awatch GT2 performs well under all conditions. [Dual Camera,HD Shooting] Equipped with a 5.0MP camera on the front and a 5.0MP camera on the side,this watch is capable of meeting your different needs. [Sports Modes with Connected GPS] AllCall Awatch GT2 provides detailed sports tracking for outdoor running,treadmill,walking,cycling and so on,and it can be connected to your phone's GPS to track your trajectory. [Heart Rate Monitoring] AllCall Awatch GT2 provides 24h continuous heart rate measurement to get a comprehensive view on your heart behaviour day and night.During exercise,the watch keeps you informed about your heart rate zones to optimize your workouts. [Android 7.1.1 System] Built-in Android7.1.1 system,support a full set of official Google applications,such as Google Store,Google Maps,Google Voice.Users can download third-party applications such as YouTube,Facebook,etc.through Google Store or the built-in software store. [Multiple Functions]Face ID,Message,Steps,Calories,Distance,Timer,Stopwatch,Browser,Calendar,Alarm,Gallery,Music,Sound Recorder,Heart Rate Monitor, Weather, Voice Search,Play Store,Google APP Store,Map,etc. Specifications: Dial Shape:Circle; Material:Plastic+Silicone; Color:Black/Brown(Optional); Operating System:Android 7.1; Compatibility:Android 6.0 and above or iOS 9.0 and above; SIM Card: Nano SIM Card (NOT Included); Battery: 1080mAh polymer battery; Standby Time: 4-6 days; Touch-screen: 1.6-inch TFT IPS OGS capacitive full-touch screen; Resolution: 400*400 round display; Front Camera:5.0MP HD camera; Side Camera:5.0MP HD camera; Waterproof:IP67; APP:Wiiwatch2; Langauge:English(United States),English(England),German(Deutsch),French,Spanish(español),Portuguese(Portugues),Italian(italiano),Russian(Русский язbK), HindiArabic,Ukrainian,Czech,Danish(Dansk),Hungarian, Dutch,Norwegian,Polish(Polski),Romanian(limba romană),Turkish(Türkçe),GreekThe kazak, Serbian, Persian(Fársi),Korean,Japanese,Indonesia(Republik;  Indonesia),Malaysia,Philippines(Tagalog),Vietnam,Bangladesh(Gónöprójatóntri Bangladesh), Thai, Laos, Cambodia, Chinese(simplified),Chinese(traditional),etc.; Dial Size: 57.2*49.8*17.3mm/2.25*1.96*0.68in; Watch Weight:70g/2.5oz; Package Size:11.2*9.6*7.1cm/4.4*3.78*2.8in; Package Weight:204g/7.2oz; Package List: 1*Smart Watch; 1*USB Cable; 1*Screen Protector; 1*Users Manual