Q23 IP67 Waterproof Smart Bracelet Sport Fitness Tracker 1. Smart notification & Bluetooth version 5.3: Using Bluetooth version 5.3, the connection between your smart watch and smartphone is faster and more stable. When the watch is synced to your smartphone, you can receive calls, text messages, and SNS messages, including Facebook, Twitter, WhatsApp, LinkedIn, Messenger, etc. 2. 1.69-inch HD screen: 1.69-inch TFT-LCD HD screen, making it easy to operate and responsive, experience crystal-clear visual effects. 4 levels of brightness are adjustable, allowing you to read the time and data clearly even in glare. 3. Unlimited customization: More than 100 trend-setting combinations are built-in to match your mood and personal outfit. Supports creating and customizing your own fitness watch face from the phone gallery. 4. Support heart rate monitoring and sleep tracker: Using high-performance optical sensors, the fitness tracker provides 24-hour continuous real-time heart rate, blood oxygen (Sp02) and sleep monitoring (deeplight sleep) and other health monitoring functions. Accurately monitor heart rate in real time and better understand heart rate trends. In addition, it provides detailed analysis of sleep quality by continuously recording sleep patterns, which will help you adjust your lifestyle in time. 5. All-day activities and practical functions: When exercising, automatically record daily steps, distance counter, calories burned, activity minutes, etc. In addition, it also has other functions such as remote camera, music control, weather forecast, sedentary reminder, GPS tracking, stopwatch, find phone, find watch, alarm clock, etc. to serve as your effective daily assistant. 6. Multiple fitness modes: Supports 25 indoor and outdoor exercise modes (including walking, cycling, hiking, yoga, etc.). At the same time, connecting to the GPS in your mobile phone can track all your exercise routes and physical conditions during exercise. 7. IP68 waterproof: It adopts IP67 waterproof design, which can be worn