🌟 Key Features

✅ Sleek 1.9” Full-Touch HD Display

The 1.9-inch high-resolution display offers vivid colors and smooth touch functionality, enhancing visibility and responsiveness. Its edge-to-edge design gives the smartwatch a premium aesthetic and modern appeal.

✅ Built-In Bluetooth Calling

With Bluetooth calling, the ST-4 lets you make and receive calls directly from your wrist. Enjoy clear conversations with its integrated microphone and speaker, even when your smartphone is in your pocket or bag.

✅ Advanced Health & Fitness Tracking

Keep your wellness in check with real-time health data, including:

• 24/7 Heart Rate Monitoring

• SpO₂ (Blood Oxygen) Sensor

• Sleep Tracking & Quality Reports

• Calorie & Step Counting

• Distance Monitoring

🏃‍♂️ Multi-Sport Fitness Modes

Whether you're walking, running, cycling, or hitting the gym, the HainoTeko ST-4 Smart Watch supports multiple activity modes to track and analyze your workouts accurately.

🔋 Long Battery Life + Magnetic Charging

Designed to keep up with your lifestyle, the ST-4 offers 5–7 days of usage on a single charge. The magnetic USB charger makes recharging quick, simple, and efficient.

💦 Water-Resistant IP67 Rated

The IP67 water-resistant rating protects your smartwatch against sweat, rain, and accidental splashes, making it an ideal companion for fitness enthusiasts and active users.

🎨 Custom Watch Faces & Stylish Design

Express your personality with customizable watch faces and a clean, minimalist look. The ST-4’s lightweight build and soft silicone strap make it comfortable for all-day wear.

🛒 Why Choose the HainoTeko ST-4 Smart Watch?

• ✅ 1.9” full-touch HD display

• ✅ Real-time Bluetooth calling feature

• ✅ Heart rate, SpO₂, and sleep monitoring

• ✅ Multi-sport activity tracking

• ✅ Elegant and comfortable design

• ✅ Long battery life

• ✅ IP67 water-resistant protection

• ✅ Compatible with Android and iOS devices