7-day long endurance / temperature detection / Bluetooth call / NFC access control unlocking / measuring heart rate and blood oxygen of multiple skin colors / voice assistant / user-defined dial1. 7-day endurance (only one charge per week)2. Bluetooth call (answer and make calls on the watch)3. Temperature monitoring (temperature measurement at all times)4. AI voice assistant (fast and convenient voice help)5. Bluetooth music (ACC HD sound quality playback)6. 19 major sports modes (running, cycling, yoga, etc.)7. Various health monitoring (heart rate, blood oxygen, sleep, etc.)Hardware SpecificationsCPU RealtekRTK8762DT+AC6956AMemory RAM32 Mb+ Flash 128MbDisplay 1.32 inch IPS TFT resolution: 360 360Touch screen G+F capacitive full touch screenCamera NoWifi NoBluetooth BLE Ver5.0 BT3.0Heart rate sensor Yes,HRS3690Compass NoBattery 200mAh polymer lithium ion battery; pure cobalt, Seiko protection boardDuration of endurance Normal use :5-7 days ; standby : 20-30 daysTriaxial G-sensor Yes SC7A20Motor YesMic YesSpeaker Yes,ACCBuzzer NoBarometer NoButton Power button & function buttonSIM card slot NoCharging mode Charging standProtection grade IP67ESD Contact 4KV,Air 8KVMain functionsClock display YesMultiple dial Yes,10+ dialsDial update YesMobile app message notification Yes,Include message,QQ, Wechat, Twitter, Facebook ,Twitter,Messenger,Snapchat,Kakao Talk,linkedIn,Skype,Whasapp,Line,Viber,instagram and other instant messagesvoice assistant Yescall reminder YesBluetooth call YesBluetooth music YesHeart rate monitor YesBlood pressure / oxygen measurement YesPedometer Yes, Step records, Calories calculation, Distance calculationSleep monitoring YesPhysiological cycle reminder NoMulti Sports mode Support:walking, running, cycling, mountaineering, football, badminton, basketball, table tennis, Rope skipping, tennis, yoga, swimmingSedentary alarm YesFirmware multilingual English/French/Spanish/Portuguese/Italian/German/Russian/Arabic/Simplified Chinese/Traditional Chinese / Japanese / Korean / UkrainianOther functions Alarm clock, Stopwatch, Do not disturb mode, Gesture awakening, Music control, Photo control, finding mobile.etcAPP FitCloudProSmart phone OS supported Android 5.1 or above, IOS 9.0 and above