The SIA Ultra Watch S represents a sophisticated timepiece engineered for those who demand precision and style. This black model combines sleek aesthetics with robust functionality, featuring a refined design that transitions seamlessly from professional environments to casual settings.
The watch delivers reliable performance through advanced timekeeping mechanisms, while its distinctive black finish provides versatility and timeless appeal. Built with attention to detail, the SIA Ultra Watch S offers durability and elegance in a single package, making it an excellent choice for discerning individuals seeking a dependable accessory that complements any wardrobe.

• Memory:RAM: 256KB,ROM:2MB Flash:128M
• Heart rate/SPo2: LC11S
• Waterproof: IP67
• Compatible system: Android 5.0 or IOS9.0 and above
• Screen size and type: 2.01 inch AMOLED 240*296
• BT: BT 5.3
• Battery capacity: 260mAh
• Charging way: Magnetic
• Charging time: About 2 hours
• Battery life: About 5-7days of using, 20 days of standby