Screen size: 1.32-inch 360*360 AMOLED screenFlash memory: 128MBBluetooth: BT5.2Battery capacity: 260mAh Battery life: 5-7 daysStandby time: 25-30 daysWaterproof level: IP68 waterproofStrap specifications: 20mm with original switch lugsSmart watch functions:Heart rate monitoring, blood pressure monitoring, blood oxygen monitoring, body temperature monitoring, breathing training, sleep monitoring, heart rate recording Womens menstrual cycle (menstrual period, ovulation period, safe period) Bluetooth audio button connection, dial pad, call reminder, call answering, call rejection, send message, sedentary reminder, alarm clock, wrist screen rotation, screen off, mobile phone search, brightness adjustment, music control, dial replacement, dial customization, step counting, countdown, stopwatchApplication/operating system:Android: 4.4 or higheriOS: 9.0 or higherSmartwatch language:Supported languages: Chinese, English, German, Russian, Spanish, Portuguese, French, Japanese, Italian, Polish, factory defaultSupported languages: Russian, Indonesian, German, Italian, Czech, Japanese, French, Polish, Simplified Chinese, Traditional Chinese, English, Portuguese, Spanish, Arabic, KoreanApplication support push software: phone, SMS, email, WeChat, QQ, Facebook, Twitter, WhatsApp, LinkedIn, Instagram,Messenger, Snapchat, Line, Kakao Talk, Viber, SkypeSupported languages: English, Simplified Chinese, Traditional Chinese, German, French, Arabic, Czech, Greek, Spanish, Japanese, Persian, Italian, Korean, Dutch, Polish, Portuguese, Russian, English, Finnish, Swedish,Packing list:1 watch,1 manual,1 charger,2 straps,1 free earphone