Zestbolt M99 4G Android Smartwatch 2.4" AMOLED Rotary Camera GPS

Zestbolt M99 Android Smart Watch — Your Wrist-Worn Smartphone

Meet the Zestbolt M99, a full-featured Android smartwatch that goes far beyond basic fitness tracking. Powered by a 12-core processor, a vivid 2.4-inch AMOLED display, a 4G LTE SIM card slot, built-in GPS, Wi-Fi, NFC, and an innovative 180° rotary 8MP camera, the M99 is essentially a standalone smartphone worn on your wrist. Browse the web, download apps from the Play Store, make and receive 4G calls, shoot photos and videos, navigate with GPS — all without needing your phone nearby.

Made in Mainland China.

Key Features at a Glance

• 2.4-inch AMOLED HD Display (490×580 resolution) with ultra-narrow bezels, vibrant colors, and multi-touch support — just like a smartphone screen on your wrist.
• 180° Rotary 8MP Camera — rotate the camera for selfies, video calls, or capturing the scene in front of you with zero blind spots.
• 4G LTE SIM Card Slot — insert a nano-SIM and make calls, send messages, and browse the internet completely independently of your phone. Supported bands: 2G (B2/B3/B5/B8), 3G (B1/B2/B5/B8), 4G FDD (B1/B2/B3/B4/B5/B7/B8/B12/B17/B20/B28/B66), 4G TDD (B34/B38/B39/B40/B41). Please ensure your SIM card supports the listed bands before purchasing.
• Android 10.0 OS with 4GB RAM + 128GB ROM — run your favourite apps, games, and social media platforms smoothly.
• Built-in GPS + Compass for real-time navigation and direction finding wherever you go.
• Wi-Fi & Bluetooth 4.2 — connect to wireless networks and pair Bluetooth earphones for hands-free audio.
• NFC Support for contactless convenience.
• Fingerprint Unlock — secure your watch and adjust the camera focus with a simple touch.
• 2,100 mAh Battery for all-day use.
• Life Waterproof — splash and sweat resistant for everyday wear.
• Detachable Band — swap styles to match your outfit.

Comprehensive Health & Activity Monitoring

• Continuous heart rate monitoring
• Blood pressure monitoring
• Sleep tracking & mood tracker
• Steps, distance, and calorie tracking
• Accelerometer, gyroscope, and barometer sensors

Smart Notifications & Productivity

• Call & message reminders, push notifications from all major apps
• Alarm clock, world clock, countdown, and calculator
• Moon phase, compass, weather, and calendar
• Interactive music control
• OTA (over-the-air) system updates
• Companion app: HiSportPro (available on iOS and Android) — scan the QR code on your watch to pair and sync in minutes

Multilingual Support

The M99 supports 50+ languages including English, Spanish, French, German, Italian, Portuguese, Russian, Korean, Japanese, Arabic, Hebrew, Turkish, and many more — making it a truly global device.

What's in the Box

• Zestbolt M99 Smart Watch × 1
• Screen Protector × 1
• Charging Cable × 1
• User Manual × 1
• Original Retail Box × 1

Technical Specifications

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Learn More About Smart Device Safety

For consumer guidance on wireless devices and radio frequency safety standards, visit the FCC Consumer Guide on Wireless Devices.

Frequently Asked Questions

Q: Does the Zestbolt M99 smartwatch work independently without a smartphone?

A: Yes! The M99 has a built-in 4G LTE SIM card slot, Wi-Fi, and Android 10.0 OS, so it functions as a fully standalone device. You can make and receive calls, browse the internet, use apps, and navigate with GPS — all without needing your smartphone nearby. Simply insert a nano-SIM card that supports the watch's frequency bands.

Q: What app do I need to sync the M99 with my phone?

A: Download the HiSportPro app on your iOS or Android smartphone. Enable Bluetooth on both devices, open the Bluetooth Assistant on the watch, then scan the watch's QR code within HiSportPro to bind them. Once paired, notifications, fitness data, and messages sync seamlessly between your phone and watch.

Q: Is the M99 smartwatch waterproof?

A: The M99 features a Life Waterproof rating, meaning it can handle splashes, sweat, and light rain during everyday activities. It is not designed for swimming or submersion in water.

Q: What memory and storage options does the M99 come with?

A: The standard configuration featured here includes 4GB RAM and 128GB of internal ROM storage — plenty of space for apps, photos, music, and videos. Multiple RAM/ROM configurations may be available depending on the variant selected.

Q: Which SIM card type does the M99 use, and which networks does it support?

A: The M99 uses a nano-SIM card and supports global frequency bands including 2G, 3G, and 4G LTE (FDD and TDD bands). Please verify with your carrier that your SIM plan supports 4G LTE on the listed bands (e.g., B1, B3, B7, B20 for Europe; B2, B4, B12 for North America) before purchasing.