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