Haylou RS4 MAX Bluetooth Calling Smart Watch
The Haylou RS4 MAX Bluetooth Calling Smart Watch (LS17) is a feature-rich wearable that offers high performance, a premium metallic build, and exceptional battery life for its category. It features a large 1.91-inch HD display (LCD display, resolution), providing rich colors and clear visuals with a modern, curved 2.5D glass design.
A core function is its Bluetooth Call capability, supported by the Bluetooth V5.3 chip, allowing for one-tap dialing and receiving calls directly from the wrist. The watch is built with a durable metal middle frame and comes with a unique, comfortable magnetic strap (and often a silicone strap).
Health and fitness tracking is comprehensive, including continuous Heart Rate, Blood Oxygen Saturation (SpO2), and Stress monitoring, as well as detailed Scientific Sleep Monitoring (deep sleep, light sleep, REM). It supports an extensive 127 Sports Modes. The 270mAh battery delivers an impressive long battery life of up to 9 days in daily usage mode, with a standby time of up to 25 days. It is also protected by an IP68 dustproof and waterproof rating.
Key Features
- 1.91″ Large HD Display: Features a generous 2.5D curved screen with rich colors and sharp clarity, housed in a sleek metallic bezel.
- Bluetooth Calling (V5.3): Supports one-tap dialing/receiving calls directly from the wrist for hands-free communication.
- 9-Day Long Battery Life: The 270mAh battery provides up to 9 days of use in daily mode (with 24-hour heart rate monitoring) and 25 days of standby time.
- Comprehensive Health Management: Monitors Heart Rate, SpO2 (Blood Oxygen), stress, and Scientific Sleep Monitoring (including REM and sporadic naps).
- 127 Sports Modes: Offers extensive workout tracking with precise motion algorithms across a wide range of activities.
- IP68 Dustproof and Waterproof: Provides reliable protection against daily life needs like hand washing, rain, and splashing.
- Creative Magnetic Strap: Comes equipped with a unique magnetic strap (and often a silicone strap) for comfortable, secure, and stylish wearing.
- Smart Security & Controls: Features Off-Wrist Lock (implied from other Haylou models), Raise to Wake, Message Notification, and Remote Shutter controls.
Specifications
- Brand Name: HAYLOU
- Model Name: RS4 MAX
- Display Size & Type: 1.91-inch LCD HD display, Square Shape
- Display Resolution: pixels
- Connectivity: Bluetooth V5.3
- Battery Capacity: 270mAh
- Battery Life (Typical): Days
- Water Resistance: IP68 (Dustproof and Waterproof)
- Health Sensors: Heart Rate Sensor, Motion Sensor, Blood Oxygen Sensor (SpO2)
- Body Material: Metal Middle Frame
- App: Haylou Fun
