The S30 Ultra 2 BIG is a 49 mm smartwatch with a 2.0-inch HD full-touch display, Bluetooth calling, heart rate, blood pressure and SpO₂ monitoring, sleep tracking, and multiple sports modes. It provides message notifications, music and camera control
Specifications
Large ~2.03″ HD IPS screen (some sellers say 2.01″) with a resolution of 320 × 386.
• Full-touch COB interface.
• Case size: 49 × 40 × 10.7 mm.
• Material: Zinc alloy body.
• Comes with 7 interchangeable silicone straps (“7-in-1” bundle).
Performance & Memory
• CPU: YC1133 (or similar) per multiple specs.
• Memory: 32MB + 32MB (flash + RAM) per Dolphin Computers listing.
• Bluetooth: Version 5.0 for connectivity.
Health & Fitness Tracking
• Heart rate sensor (Tianyi Hexin HSR3300).
• Tracks blood pressure, blood oxygen (SpO₂), and has ECG support listed in some specs.
• Built-in multi-sport modes: running, cycling, strength training, basketball, etc.
• Sleep tracking, step counter, distance, and calorie tracking.
Connectivity & Smart Features
• Bluetooth calling: You can make and receive calls on the watch.
• Music control: Control your phone’s music from the watch.
• Notifications: Receive app notifications (WhatsApp, Facebook, etc.), SMS reminders.
• Remote camera control: Use the watch to trigger your phone’s camera remotely.
• Emergency SOS support.
• Customizable watch faces.
Battery & Charging
• Battery capacity: ~230 mAh.
• Charging: Magnetic wireless charging.
• Battery life: ~3–5 days of active use, standby of over 30 days (
