Zestbolt S99 4G Android Smartwatch – 2.4" AMOLED & 8MP Camera

Zestbolt S99 – The Full Android Smartwatch That Does It All

Meet the Zestbolt S99 — a powerhouse Android 10.0 smartwatch that goes far beyond basic fitness tracking. Featuring a vivid 2.4-inch AMOLED display at 720×720 resolution, a 190° rotating 8MP camera, 4G LTE SIM support, and a long-lasting 2100mAh battery, this watch is built for people who demand more from their wrist. Whether you're making calls on the go, snapping photos, navigating with GPS, or tracking your workouts, the S99 delivers a true smartphone-like experience in a sleek wearable form. Made in Mainland China.

Why You'll Love the S99 Smartwatch

• Brilliant 2.4" AMOLED Screen: Crisp, vibrant 720×720 resolution with rich colors and deep blacks — easy to read indoors and outdoors.
• 190° Rotating 8MP Camera: Capture photos and video at any angle directly from your wrist. Perfect for selfies, video calls, or quick snaps on the move.
• 4G LTE + Nano SIM: Make and receive calls, send messages, and browse the web independently — no phone required. Supports global 2G/3G/4G bands.
• Android 10.0 OS: Enjoy access to the Google Play Store, download your favorite apps, stream music, browse social media, and more.
• Powerful SC8541E Quad-Core CPU + 4GB RAM / 128GB Storage: Smooth multitasking and ample space for apps, photos, and media (multiple RAM/ROM configurations available).
• 2100mAh Battery: Generous capacity for extended daily use — fewer charges, more doing.
• Built-In GPS: Real-time navigation and precise workout route mapping right on your wrist.
• Comprehensive Health Tracking: Continuous heart rate monitoring, sleep tracking, step counting, distance tracking, calorie tracking, mood tracker, and more.
• Life Waterproof: Splash and sweat resistant for everyday confidence.
• Wi-Fi & Bluetooth 4.2: Stay connected at home or on the go.
• Multi-Language Support: Available in 17+ languages including English, Spanish, French, German, Arabic, Korean, Japanese, and many more.
• CE, FCC & RoHS Certified: Meets international safety and compliance standards.

Smart Features at a Glance

• 📞 Make & receive calls directly from the watch (4G SIM)
• 📸 190° rotating 8MP camera for photos & video
• 📍 Built-in GPS for navigation & workout tracking
• ❤️ Heart rate & sleep monitoring
• 🏃 Steps, distance, calorie & activity tracking
• 🎵 Music player & interactive media controls
• 📅 Calendar, alarm, countdown & calculator
• 🌙 Moon phase display & small seconds hand
• 🔔 Message & call notifications
• 📱 Google Play Store — download any app you want
• 🎨 Multiple watch face dials to personalize your look

Technical Specifications

What's in the Box

• Smart Watch × 1
• Watch Strap × 1
• Charging Cable × 1
• Product Manual × 1

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For guidance on smartwatch fitness tracking features and their health applications, visit the CDC Physical Activity Resource Center.

Learn more: Smartwatch

Frequently Asked Questions

Q: Does the Zestbolt S99 smartwatch work independently without a phone?

A: Yes! The S99 supports a Nano SIM card and 4G LTE connectivity, allowing you to make and receive calls, send messages, browse the internet, and use apps completely independently — no smartphone required.

Q: Can I install third-party apps on the S99 Android smartwatch?

A: Absolutely. Since the S99 runs Android 10.0 with Google Play Store access, you can download and install a wide variety of apps just like on an Android phone — social media, navigation, streaming, and more.

Q: What health and fitness tracking features does the S99 smartwatch offer?

A: The S99 tracks your heart rate continuously, monitors your sleep quality, counts your steps, measures distance traveled, estimates calories burned, and includes a mood tracker and activity tracker — all powered by the HiSportPro app.

Q: Is the S99 smartwatch waterproof?

A: The S99 carries a Life Waterproof rating, meaning it can handle everyday splashes, rain, and sweat without issue. It is not rated for submersion or swimming.

Q: How does the rotating camera on the S99 work?

A: The S99 features an 8MP camera that rotates up to 190°, allowing you to angle it for selfies, group shots, video calls, or standard photos — all without removing the watch from your wrist.