Difference between TICWATCH E3 and ? in countries.United States

	PRODUCT 1	PRODUCT 2
	TICWATCH TICWATCH E3
VERSION
Announced	April 2021
Release date	April 2021
NETWORK
Technology
DEVICE
Dimensions	1.73 x 1.85 x 0.5 inches
Weight	1.13 ounces
S.I.M.
Design
Other	IP 68 Waterproof
SCREEN
langfront.Type	AMOLED
Size	1.3 inches
Resolution	360 x 360 pixels
Protection

PLATFORM
Operating system	Android Wear
Chipset	Qualcomm Snapdragon Wear 4100
Processor	Quad-core A53 (12nm)
GPU	Adreno 504
MEMORY
Card slot
Internal & RAM	8GB 1GB RAM
CAMERA
Main	❌
SOUND
Loudspeaker	✔️
Jack 3,5 mm
CONNECTIVITY
Wifi	✔️
Bluetooth	5.0
GPS	✔️
NFC	✔️
Radio
USB
CHARACTERISTICS
Sensors	Accelerometer,Gyro,Magnetic Sensor,PPG Heart Rate sensor,Ambient Light Sensor,Low Latency Off-Body Sensor,
Various	24H heart rate monitoring,sleep tracking and stress management,built-in MIC and Speaker,Blood Oxygen Saturation Detection,GPS Navigation,100+ Professional Workout Modes,
BATTERY
Type	380 mAh

What is the difference between TICWATCH E3 and in countries.United States?