Haylou RS4 Max Smartwatch With Dual Straps

Product name: Haylou RS4 Max
Dimensions:    48.3x39x11.4mm
Working temperature: -10 – 45°C
Resolution: 320x380px
Colors: Midnight Blue, Starlight Silver
Bluetooth: V5.3
Water-resistance grade: IP68
Battery life: 9 days (24/7 heart rate monitoring)
Display: 1.91-inch LCD display
Synced data platform: Haylou Fun
Battery: 270mAh
Supported devices: Android 6.0 and above, iOS 9.0 and above
Vivid & User-Friendly Display
Haylou RS4 Max has a 1.91-inch HD screen, nearly 8% larger than that of RS4 Plus, offers a superior screen-to-body ratio, and delivers an unparalleled visual experience.
* Based on results from Haylou’s internal lab tests. Actual usage may vary depending on settings, operation, and environmental factors.
Seamless Bluetooth Calls
Haylou RS4 Max is equipped with the latest Bluetooth 5.3 chip. This watch ensures stable connectivity for hassle-free call-making and receiving.
Smart Off-Wrist Security
The clever off-wrist lock feature automatically detects when you’re not wearing it and secures the screen, ensuring your privacy is always protected.
Ultimate Wearing Comfort
Experience unparalleled comfort with the Haylou RS4 Max’s magnetic loop, designed for effortless wearability. Its built-in magnet ensures a perfect fit every time, adapting seamlessly to your wrist.
Exquisite Metallic Bezel
Discover the Haylou RS4 Max’s sleek all-metal frame and brilliantly polished bezel for a refined, high-quality appearance.
127 Workout Modes
Choose from 127 workout modes tailored to your favorite activities. The Haylou RS4 Max smartwatch provides scientific guidance, precise workout tracking, and more.
Detailed Sleep Monitoring
Gain comprehensive insights into your sleep patterns with the Haylou RS4 Max. It offers detailed sleep monitoring, giving you a complete picture of your sleep quality, including stages and duration.
Female health management
The Haylou RS4 Max smartwatch includes a thoughtful feature for female health management. It allows users to record and accurately predict menstrual cycles, providing valuable insights for better understanding and managing one’s health.
Standout Water Resistance
The Haylou RS4 Max boasts an IP68 waterproof rating, providing peace of mind for your daily activities. Whether breaking a sweat during workouts or being caught in a downpour, your watch is up to the challenge.
Designed for daily waterproof needs, suitable for workouts, rainy days, and hand washing. Not suitable for swimming, showering, saunas, surfing, or high-speed water activities. The warranty does not cover damage caused by improper liquid exposure.
Robust Battery Life
Low power consumption system provides 9 days of battery life on a full charge and 14 days in extended battery life mode.
9 daysDaily usage mode
14 days
Basic usage mode
Daily mode: connected to the phone via Bluetooth; default 50% brightness; 24-hour heart rate monitoring; SpO2 tracking twice a day; sleep monitoring; exercise three times a week (30 minutes each time); raise-to-wake 150 times a day (5s each time); 100 message notifications a day.Basic mode: Phone Bluetooth connection, continuous heart rate monitoring, and other functions turned off; only raise-to-wake 150 times daily (5s each time).