1.85" Large DisplayFeatures a vibrant 1.85-inch TFT screen with 240*280 resolution, offering clear visuals for all your health and fitness data. Comprehensive Health MonitoringTracks heart rate, blood oxygen levels, sleep patterns, and supports 137 sport modes for detailed fitness tracking. Bluetooth-compatible CallingEnables hands-free calls directly from your wrist, with a built-in microphone and speaker for clear communication. Smart NotificationsReceive alerts for messages, emails, and social media apps, including WeChat, QQ, Twitter, Facebook, and more. Durable DesignIP68 water and dust resistance rating ensures protection during various activities and weather conditions. Customizable ExperienceOffers multiple watch faces, 8 menu styles, and supports Alipay offline payments for convenience. Specifications: Product Certificates: ROHS, CE, FCC-ID Facade Specifications Product dimension: 40*44.5*10.8mm Appearance finish technology: glass cover + zinc alloy middle frame + plastic bottom shell + silicone strap Hardware Specifications CPU: RealtekRTK8763EWE Memory Flash: 128Mb Display: 1.85inch IPS TFT resolution: 240*280 Touch screen: G+F capacitive full touch screen Camera: No Wifi: No Bluetooth-compatible: BLE Ver+BT 5.2 Heart rate sensor: Yes, HRS3605 Compass: No Battery: 300mAh polymer lithium ion battery; pure cobalt, Seiko protection board Duration of endurance: Normal use: 5-7 days; standby: 20-30 days Triaxial G-sensor: Yes SC7A20 Motor: Yes Mic: MIC 4015 Speaker: Yes, ACC(0815) Buzzer: No Barometer: No Button: Power button & function button SIM card slot: No Charging mode: Charging stand Protection grade: IP68 ESD: Contact 4KV, Air 8KV Main functions Clock display: Yes Multiple dial: Yes, 8 sets of style menus Dial update: Yes Mobile app message notification: Support includes SMS, email, WeChat, QQ, Twitter, Facebook, Twitter, Messenger, Snapchat, Kakao Talk, linkedIn, Skype, Whaapp, Line, Viber, instagram and other real-time messages. voice assistant: Yes call reminder: Yes Bluetooth-compatible call: Yes Bluetooth-compatible music: Yes Heart rate monitor: Yes Blood pressure / oxygen measurement: Yes Pedometer: Yes, Step records, Calories calculation, Distance calculation Sleep monitoring: Yes Multi Sports mode: 137 sports modes: 19 regular sports (walking, running, outdoor cycling, rope skipping, badminton, basketball, football, mountaineering, tennis, rugby, golf, yoga, fitness, dancing, baseball, elliptical machine, indoor cycling, free training, rowing machine)Plus (15 regular sports, 15 water sports, 10 outdoor sports, 27 training sports, 8 dancing sports, 11 boxing sports, 13 ball games, 8 ice and snow sports, 8 shooting sports, and 3 other sports) Sedentary alarm: Yes water alarm: Yes Firmware multilingual: English, Simplified Chinese, Japanese, Korean, German, French, Spanish, Arabic, Russian, Ukrainian, Italian, Portuguese, Dutch Other functions: Other functions: dial, contact, call record, weather, alarm clock, stopwatch, drainage mode, electronic card, audio switch, decompression and sleep aid, do not disturb mode, brightness adjustment, bright screen duration, mobile phone search, wrist up bright screen, wrist up bright screen duration, music control, photo control, APP download, factory settings recovery, etc APP: Da fit Smart phone OS supported: Android 5.0 or above, IOS 9.0 and above Package included: 1 x Smart Watch 1 x Charging Cable 1 x English Instruction Manual