Yes, ColorFit Pulse 4 Max works with both iOS and Android devices. You'll need Android 6.0+ or iOS 13+ for full AI features and optimal performance.

With normal usage, the battery lasts up to 7 days. Battery life varies based on usage intensity, AI feature usage, and always-on display settings. Heavy AI usage may require charging every 4-5 days.

The watch needs to be paired with your smartphone via Bluetooth for AI features. Internet connectivity is required through your phone for AI Search and cloud-based personalization.

Our health sensors provide medical-grade accuracy for heart rate, SpO2, and sleep tracking. Results are within ±5% of professional medical devices in most cases.

Yes! With TruSync™ Bluetooth calling, you can answer and make calls directly from your watch. The built-in speaker and microphone deliver clear audio for seamless conversations.

The watch has 5ATM water resistance, suitable for swimming and snorkeling. It's not recommended for diving or water sports beyond 50 meters depth.

The watch fully charges in approximately 90 minutes using the included USB magnetic charger. Quick charge gets you 80% in just 45 minutes.

Each box includes: ColorFit Pulse 4 Max smartwatch, USB magnetic charger, quick start guide, warranty card, and extra band option in a matching color.

Yes! We offer a 30-day money-back guarantee. If you're not satisfied, return the watch in original condition for a full refund, no questions asked.

All ColorFit watches come with a comprehensive 2-year warranty covering manufacturing defects, hardware failures, and normal wear and tear.