GTR 4 Smart Watch Android iPhone, Dual-Band GPS, Alexa Built-in, Bluetooth Calls, 150+ Sports Modes, 1.43”AMOLED Display Superspeed Black

OverviewBluetooth Phone Calls
The Amazfit GTR 4 includes a microphone and speaker to let you answer calls on your watch when it's inconvenient to pick up your mobile phone. Connect the watch to your mobile phone via Bluetooth to ensure that you no longer miss important calls.
Music Storage & Playback
For a workout motivation boost only your favourite song can deliver, store music on the watch for playback through the built-in speaker or your Bluetooth bphones. Alternatively, use the watch to control the music on your phone via Bluetooth connection.
Online & Offline Voice Assistants
Online: Easily set an alarm, ask a question, and get a translation and more with Alexa. Offline: 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.
Powerful & Accurate Health Technology
The watch's new Bio Tracker 4.0 PPG biometric sensor is enhanced to 2LED, enabling collection of 33% more data than the previous generation, and with improved accuracy. This sensor, combined with the watch's upgraded heart rate tracking algorithm, results in heart rate tracking that almost reaches the level of heart rate belts.
Vintage Made Advanced
While inspired by the streamlined style and precision of modern sports cars, the Amazfit GTR 4 also keeps one eye on the rear-view mirror, honouring the classics with its vintage round watch body.
200+ Watch Faces
200+ Watch Faces with Matching Always-on Displays, including...30 Animated Watch Faces, Interactive Watch Faces Upload your own photos to the watch face.
Zepp OS 2.0 & Mini Apps
The powerful and easy-to-use Zepp OS has been upgraded. Along with super-smooth interactions and a smartwatch-tailored UI that's designed to consume less power, you can now choose from two app menu layouts, and two colour tones, 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 favourite stores to the Amazfit GTR 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.
Note: Due to the device's storage limit, only a maximum of 20 membership cards can be added to the same account. Supported codes include Code 128, Code 39, and QR codes; support for UPC A, EAN 13, and EAN 8 will be added via OTA update.