Haylou RS4 Max Calling Smart Watch

The Haylou RS4 Max Calling Smart Watch combines premium design, advanced fitness tracking, and Bluetooth calling to give you the ultimate smartwatch experience. Featuring a large, vivid display, comprehensive health monitoring, and multiple sports modes, this smartwatch is perfect for both lifestyle and fitness use.

With its high-capacity battery, IP68 waterproof rating, and high-fidelity speaker, the RS4 Max ensures durability, convenience, and clear communication on the go. Stylish yet powerful, it’s designed to keep you connected and active.

Key Features

• Bluetooth Calling – Make and receive calls directly from your wrist.
• Large HD Display – Crisp, vibrant visuals for notifications, workouts, and health stats.
• Comprehensive Health Monitoring – Heart rate, SpO₂, sleep, and stress tracking.
• Multiple Sports Modes – Advanced motion algorithms for accurate activity tracking.
• IP68 Waterproof – Durable and reliable in everyday conditions.
• High-Fidelity Speaker – Clear sound for calls and notifications.
• Long Battery Life – Extended use on a single charge.
• Stylish Design – Comfortable strap and sleek finish for all-day wear.

Specifications

• Brand: Haylou
• Model: RS4 Max
• Display: Large HD touchscreen
• Bluetooth Calling: Yes
• Sports Modes: Multiple workout options with motion algorithms
• Health Tracking: Heart rate, SpO₂, sleep, stress monitoring
• Water Resistance: IP68
• Speaker: High-fidelity waterproof speaker
• Battery: Long-lasting, up to 7–10 days typical use
• Strap: Comfortable, ergonomic design
• Compatibility: Android & iOS
• Warranty: 1 Year Brand Warranty