The Z66 Ultra is a 1.93-inch full-touch smartwatch with Bluetooth calling, heart rate, blood pressure, SpO₂, ECG, and sleep tracking. It features music and camera control, multiple watch faces, IP67 water resistance, a zinc-alloy case with silicone
Specifications
Display & Build: Large 1.9-inch (or ~1.93”) IPS full-touch screen.
• Resolution: 320 × 320 pixels.
• Body Materials: Zinc-alloy case for a sturdy feel, and a soft silicone strap.
• Bluetooth: Version 5.0.
• Calls: Supports Bluetooth calling (you can make and receive calls).
• Sensors & Health Tracking:
• Heart rate monitoring.
• Blood oxygen (SpO₂) monitoring.
• Blood pressure tracking.
• ECG (electrocardiogram) measurement.
• Sleep tracking.
• Other Features:
• Remote camera control (use the watch to trigger your phone’s camera).
• Music control.
• Weather display, stopwatch, find-my-phone.
• Multiple watch‑face styles.
• Battery:
• ~200 mAh capacity per some sources.
• Charging time: ~2–3 hours.
• Working time: 1–3 days, depending on usage.
• Water Resistance: IP67 rating (splash and sweat resistant — not for swimming).
• Compatibility: Works with Android 5.0+ and iOS 9.0+.
• Dimensions: 38.5 × 44.5 × 14 mm.
• Weight: About 200g according to some specs.
