Huami Amazfit GTS 4, infinity black

• Smart Fitness Made Easy
• Powered by Zepp OS 2.0
• 150+ Sports Modes & Strength Exercise Recognition
• Dual-band Positioning & Route Import
• Large AMOLED Display & Lightweight Design
• Easy 24/7 Health Management
• Bluetooth Phone Calls & Music Storage
• Up to 8 Days’ Battery Life

Ultra-large 1.75" HD AMOLED Display
It's time to see the bigger picture of your health and fitness. Immerse yourself in the ultra-large 1.75" AMOLED display, and view the data that matters to your wellness journey in pristine HD clarity. ​

• 72.8% Screen-to-body Ratio
• 341 PPI

Put On Your Game Face​
150+ Watch Faces with Matching Always-on Displays including:

• 30 Animated Watch Faces
• 4 Interactive Watch Faces
• Upload your own photos to the watch face

150+ Sports Modes
Choose from a huge selection of over 150 sports modes, including Walking, Running, Cycling, Yoga, and a lot more. And when it's time for that well-earned beach vacation, the watch can be used to track your swimming data and endure the equivalent of up to 50 meters' water pressure.

Live Sports Data Broadcast
Get live notifications broadcast through the watch's speaker or your Bluetooth headphones for sports data like heart rate and hydration reminders, distance covered, and more.

Music Storage & Playback
For a workout motivation boost only your favorite song can deliver, store music on the watch for direct playback - or even effortlessly control your phone's music via Bluetooth.

Jump in with Smart Recognition of：

• 8 Sports Movements: As soon as you begin one of these eight sports, the watch will sense your movement and automatically suggest that you open the corresponding sport mode. Treadmill, Outdoor Running, Elliptical, Outdoor Cycling, Indoor Walking, Rowing Machine, Pool Swimming, Walking.
• Strength Training Exercises: Dozens of strength training movements can be automatically recognized, many of which have adjustable variations in the Zepp App.​ The watch can count your reps and track your rest time between sets. ​ After your workout, the Zepp App will show you the muscle group you exercised and how long you exercised it for, to help keep your training efficient.​

Super Strong & Accurate GPS Tracking
The Amazfit GTS 4 uses industry-leading dual-band circularly-polarized GPS antenna technology - similar to that used in the aircraft and automotive fields - so you can enjoy stronger positioning that's 99% as accurate as top handheld GPS locators. ​
Whether you're hiking a tree-covered trail or cycling to work through a congested city center, enjoy positioning that's unimpeded by environmental and multi-path interference.​

Import Route Files & Follow Your Own Path
Import a route file to the watch from the Zepp App and navigate your way along it in real-time. When following your own unique path, track your real-time movement directly on the display. See the shortest straight line back to the starting point of your journey when you're in a hurry.

Review Your Performance with PeakBeats™
When you're done working out, the PeakBeats™ workout status algorithm will show you data including maximum oxygen uptake (VO2 Max), full recovery time, training load and training effect, to help you understand factors that can affect your recovery, progress and exercise capacity.

Powerful & Accurate Health Technology
The Amazfit GTS 4 debuts the new BioTracker™ 4.0 PPG biometric sensor. Enhanced to 2LED, the sensor collects 33% more data and is more accurate than the previous generation, thanks to the ultra-thin 0.4mm glass base.

This sensor, combined with the watch's upgraded heart rate tracking algorithm, greatly reduces potential signal interference caused by arm movement during exercise, for heart rate tracking that almost reaches the level of heart rate belts. ​

Easy 24/7 Health Management
Enjoy highly accurate 24-hour monitoring of heart rate, blood-oxygen saturation and stress levels. The watch can also detect your breathing rate, and is able to quickly measure these four important health metrics in one easy tap.

24-hour Monitoring of:

• Heart Rate
• Blood-oxygen Saturation
• Stress Level

Create a Schedule That Suits You
Create a Sleep Schedule that matches your lifestyle, directly via the watch or in the Zepp App. The watch can identify sleep that coincides with your planned sleep time, whatever time of day or night that is for you, and record it as your main sleep.

Quality Sleep, Quality Progress
Put your Amazfit GTS 4 into the new Sleep Mode when you head to bed, and enjoy a peaceful night thanks to reduced display brightness and temporarily disabled notifications. This mode can be set to intelligently engage based on your Sleep Schedule or sleep state.
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In-depth Monitoring of:

• Sleep Quality & Daytime Naps
• Light, Deep & REM Sleep Stages
• Sleep Breathing Quality

Morning Updates: A Head Start on the Day
Along with being able to easily check your sleep data directly on the watch when you wake up - including data for daytime naps - the Amazfit GTS 4 introduces a new Morning Update function.

To help prepare you for the day ahead, these updates include a clear summary of information like the weather, your health data, calendar events and more - you can even customize which content is included in your update.

PAI Health Assessment System
Get a simple and personalized health overview score with PAI.

Menstrual Cycle Tracking
Get predictions and reminders for upcoming fertile and menstrual periods.

Get reminders for:

• Abnormally High or Low Heart Rates
• Abnormally Low SpO2 Levels
• Abnormally High Stress Levels
• Stress-reducing Breathing Exercise

Enhanced Zepp OS 2.0​
The powerful and easy-to-use Zepp OS has been upgraded. ​

Super-smooth interactions and a smartwatch-tailored UI that's designed to consume less power. Choose which layout your app menu is presented in. Choose a more vivid or natural color tone, and switch between styles at will.

Store Cards for Simplified Shopping
Always forgetting your store card? No problem. Easily add membership and club card codes from your favorite stores to the Amazfit GTS 4, via the Zepp App. Simply show the code on your watch display when it's time to scan, and carry on with your shopping trip.

Offline Voice Assistant
Engage a sports mode, open a health feature and more via voice command, even when you don't have an internet connection. Tell the watch to "Up Your Game", for a built-in surprise...

Answer Bluetooth Phone Calls
Via Bluetooth connection to your phone, the Amazfit GTS 4 can be used to receive and answer phone calls, to help you keep up with personal and professional contacts while on the move.

The Power to Stay In-style for Longer​
Crush your workout goals for up to eight days at a time. Primed for action, the battery of the Amazfit GTS 4 packs a 300 mAh rated value, and the watch's new Battery Saver Mode even enables continued use of features like sports modes, measurement of health metrics, and more, all while saving power. ​

• Heavy Usage: 4 Days
• Battery Saver Mode: 16 Days
• Clock Mode: 30 Days
• Accuracy GPS Mode: 16 Hours
• Balanced GPS Mode: 28 Hours
• Power Saving GPS Mode: 33 Hours

Sleek and Strong
The elegant combination of traditional craftsmanship, modern design, and advanced technology make the Amazfit GTS 4 a fashionable fusion of the past, present and future.

Super Slim and Light Design
One-piece aluminum alloy middle frame. Compact 9.9 mm & 27 g design.