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.
- 1.91-inch HD display
- Bluetooth calls
- IP68 waterproof
- 127 sports modes, precise motion algorithms
- Waterproof speaker, high fidelity sound quality
- 270mAh high-capacity battery
- Magnetic silicon strap
- Comprehensive health management
