Inheriting the classic square dial, returning to the original intention of the design, crafted and created with classic traditional keys, the soft and hard interactive design is integrated, and every detail is exquisite and practical. The large 1.69-inch IPS color screen, with a resolution of 240*280 display, gives you a larger and clearer experience. The colors are dazzling and colorful, stylish and cool, the operation is agile, and the data viewing is more convenient. Features: Name: Smart bracelet Battery type: lithium polymer Capacity: 180mAh Charging method: USB dedicated charging cable APP software functions: massive dial download, upload photos, pedometer, heart rate, sleep, sedentary, mileage, blood oxygen, blood pressure, mobile phone search, calories, Bluetooth, information, WeChat, QQ, etc. push. Search function, alarm clock setting, drinking water reminder, smart gesture control, do not disturb mode, reminder mode Phone, SMS, WeChat, QQ, Facebook, Twitter, Instagram, Skype, WhatsAPP, Line, Kakao Talk, others Supported languages: Simplified Chinese, Traditional Chinese, English, French, Russian, Indonesian, German, Italian, Czech, Japanese, Polish, Portuguese, Spanish, Arabic, Korean Other parameters Waterproof rating: IP67 Charging time: about 2H Battery life: about 7 days of use, 30 days of standby Product languages: Simplified Chinese, Traditional Chinese, English, French, Russian, Indonesian, German, Italian, Czech, Japanese, Polish, Portuguese, Spanish, Arabic, Korean, Dutch, Hindi Message reminder language: text display Wristband size: total length 220MM, adjustable length 145-190MM Appearance material Body: Zinc Alloy + Spherical Tempered Glass Wristband: Silicone Strap