Feature Description

Model H21 Ultra 2 Smart Watch

Calling Bluetooth call support

Display 2.01-inch large TFT screen, 240 × 296px resolution

Sports Modes Multiple sports tracking modes

Health Monitoring Heart rate and fitness monitoring features

Chipset Master control chip: ZK8918

Encoder Built-in encoder for accurate performance

Memory 32Mb extended memory

Sensor Tianyi 3301 sensor

Battery Capacity 230mAh

Battery Life 3–5 days usage

Charging Magnetic charging, 2–3 hours charging time

Waterproof IP65 rated (splash & dust resistant, not for swimming)

Material Zinc alloy + silicone strap

Usage Daily wear, fitness, and outdoor activities