HAYLOU Watch 2 Pro 1.85-Inch Square Screen Multi-Sport Mode Smart Watch - Black Fine Workmanship: The 1.85-inch display is vivid and clear from every angle, allowing for a flexible layout of all features and an accurate touch control operation. You can choose 100+ different themes of Watch Faces from the App Health Management: This smart watch can check your blood oxygen at all times. Supports 24-hour heart rate monitoring, and real-time generation of heart rate curves, a peace of mind for you is always online. Female health reminders make those days easier Fitness Tracker: 100 workout modes are included in your watch, including walking, football, basketball, running, cycling, Yoga, etc. IP68 waterproof design, and you don't need to take off your watch when washing your hands, meeting your daily waterproof requirements. No fear of sweating or rain Powerful Battery: This watch can be used for 10 days under daily usage mode (including all-day heart rate, sleep monitoring, call reminder, BT call, etc.), and the total battery life is up to 20 days under basic usage mode. And it can quickly get charged in a short time Personal Assistance: Connect to mobile phone via BT. Calls, messages, WhatsApp, and various APP information can be synced with the watch in real time Specifications: Product Size: 48.82 x 37.70 x 10.33mm Product Weight: 51.4g (Contains the strap) BT Connection: BT 5.0 Dust-proof and Waterproof Ratings: IP68 Resolution: 240*284 Battery Capacity: 250mAh Input Parameters: 5V 500mA Battery Life: 10-Days(24-hour heart rate monitoring) Working Temperature: -10?~60? System Requirements: Android 6.0 and Above; iOS9.0 and Above Package included: 1 x Smart Watch 1 x Charging Cable 1 x English Manual Other items not included