Difference between AMAZFIT GTS and ? in United States

	PRODUCT 1	PRODUCT 2
	AMAZFIT AMAZFIT GTS
VERSION
Announced	September 2019
Release date	September 2019
NETWORK
Technology	❌
DEVICE
Dimensions	43.25 x 36.25 x 9.4 mm
Weight	24.8g
S.I.M.	❌
Design	Shape : Rectangular / Case material : Aluminum / Strap material : Silicone / Bezel material : Bezeless, Ceramics
Other	Water resistance: Yes,5ATM,
SCREEN
langfront.Type	AMOLED
Size	1.65 inch
Resolution	348 x 442 px
Protection	Corning Gorilla Glass 3

PLATFORM
Operating system	Amazfit OS
Chipset
Processor
GPU
MEMORY
Card slot	❌
Internal & RAM
CAMERA
Main
SOUND
Loudspeaker	❌
Jack 3,5 mm
CONNECTIVITY
Wifi	❌
Bluetooth	5.0
GPS	GPS,GLONASS,
NFC
Radio	❌
USB	❌
CHARACTERISTICS
Sensors	BioTracker TM PPG Bio-Tracking Optical Sensor,6-Axis Accelerometer,3 Axis Geomagnetic Sensor Air Pressure Sensor,Ambient Light Brightness Sensor,
Various	12 sports fashion,interactive (modular) watch faces,call and message notifications,social app notifications,Bluetooth music,timer,
BATTERY
Type	220 mAh

What is the difference between AMAZFIT GTS and in United States?