Zestbolt S99 Android 13 Smartwatch 4G LTE SIM GPS AMOLED

Zestbolt S99 Android 13 Smart Watch – 4G LTE, 2.4" AMOLED, SIM Card, GPS & Google Play

Meet the Zestbolt S99 — a full Android 13 smartwatch that puts a smartphone on your wrist. With a vivid 2.4-inch AMOLED display (720×720 resolution), a Nano SIM card slot for independent 4G LTE calling, built-in GPS, an 8MP rotating camera, and access to the Google Play Store, the S99 is designed for users who want true standalone smart connectivity without reaching for their phone.

Made in Mainland China.

Why You'll Love the S99

• 2.4" AMOLED Touchscreen – Crisp 720×720 square display with deep blacks and vivid colors for easy readability indoors and out.
• Android 13.0 OS – Full Android experience with Google Play Store access. Download your favorite apps, games, navigation tools, and more directly on your wrist.
• 4G LTE Full Netcom + Wi-Fi – Insert a Nano SIM for independent calling and data worldwide (2G/3G/4G FDD & TDD multi-band). No phone tethering required.
• 8MP Rotating Camera – Capture photos and videos on the go directly from your wrist with the built-in 8-megapixel pull-and-rotate camera.
• SC8541E Quad-Core CPU + 4GB RAM + 128GB ROM – Powerful enough for smooth multitasking, app performance, and media storage. Multiple memory configurations available.
• 2100mAh Large Battery – Extended battery life for all-day and beyond use, keeping you connected without constant recharging.
• Built-in GPS – Accurate route tracking and location services for workouts, navigation, and outdoor adventures — completely standalone, no phone needed.
• Comprehensive Health Tracking – Monitor your heart rate, track your sleep quality, log steps, distance, calorie burn, and overall activity throughout the day.
• Life Waterproof – Splash and sweat-resistant design for everyday peace of mind during workouts and daily activities.
• Bluetooth 4.2 – Connect to wireless earbuds and peripherals for hands-free calls and music playback.
• Multiple Watch Faces & Languages – Personalize your display and communicate in over 50 languages including English, Spanish, French, German, Arabic, Japanese, Korean, and many more.

Key Specifications

Health & Fitness Features

• Heart Rate Monitor (24-hour continuous)
• Sleep Tracker & Mood Tracker
• Steps, Distance & Calorie Tracker
• Sports & Activity Tracker
• Countdown, Alarm Clock & Calendar
• Calculator, Weather, Maps
• Message & Call Reminders — Answer or dial calls directly from your wrist
• Interactive Music Control
• Moon Phase Display

What's in the Box

• 1 × Zestbolt S99 Smart Watch
• 1 × Watch Strap
• 1 × Charging Cable
• 1 × Product Manual

Explore More from Our Tech Collection

Also check out the 1.32" AMOLED Smart Watch – Bluetooth Call, Fitness & Health Tracker or the 1.44" Touch Smartwatch – Bluetooth Calls & Fitness Tracker for more wearable options.

For more information on how to evaluate wearable fitness tracking accuracy, visit the FDA Digital Health Center of Excellence.

Frequently Asked Questions

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

A: Yes! The S99 runs full Android 13 and supports a Nano SIM card for 4G LTE connectivity, so you can make and receive calls, send messages, browse the internet, and use GPS — all without needing a paired smartphone.

Q: What apps can I install on the S99 smartwatch?

A: The S99 has the Google Play Store built in, giving you access to thousands of Android-compatible apps including navigation, social media, music streaming, fitness apps, and more — just like a smartphone.

Q: Is the Zestbolt S99 waterproof?

A: The S99 features Life Waterproof (IP67-rated) protection, making it resistant to sweat and splashes during workouts and everyday activities. It is not designed for swimming or submersion.

Q: How long does the battery last on the S99 smartwatch?

A: The S99 is equipped with a 2100mAh battery. Battery life will vary based on usage patterns — active SIM/LTE use, GPS, screen brightness, and app activity all affect longevity. Typical usage supports all-day wear with moderate smart features.

Q: What network bands does the S99 support?

A: The S99 supports global multi-band 4G (FDD: B1/2/3/4/5/7/8/12/17/20/28/66; TDD: B34/38/39/40/41), 3G (B1/2/5/8), and 2G (B2/3/5/8), making it compatible with most major international carriers.