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2 units left
Easy Return, Quick Refund.Details
Mmas Techologies
98%Seller Score
2 Followers
Shipping speed: Excellent
Quality Score: Excellent
The Haylou RS4 Max is a premium-looking square smartwatch with a large 1.91″ HD display, Bluetooth calling, and an extensive suite of health and fitness tracking features. It’s built with a stylish metal frame and magnetic silicone strap, offering both comfort and durability. With IP68 water resistance, smart off-wrist locking, and long battery life, it delivers a full-featured smartwatch experience at an affordable price.
1.91″ HD TFT display with 320×380 resolution for a clear and vibrant view
Bluetooth 5.3 calling with built-in speaker and microphone
127 sports modes including running, yoga, and cycling
24/7 heart rate monitoring, SpO₂ tracking, stress testing, and sleep analysis
Smart off-wrist lock for privacy and security
IP68 water and dust resistance (not suitable for swimming)
Magnetic silicone strap and metal bezel for a premium feel
Battery life up to 9 days with regular use; up to 25 days on standby
Additional features: music control, alarm, stopwatch, calculator, weather, reminders
Approximately 48.3×39×11.4 mm in size; weighs about 61 g including strap
Compatible with Android 6.0+ and iOS 9.0+ via the Haylou Fun app
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