Difference between OPPO A31 and ? in countries.United States

	PRODUCT 1	PRODUCT 2
	OPPO OPPO A31
VERSION
Announced
Release date	2020
NETWORK
Technology	4G
DEVICE
Dimensions
Weight	180 (g6.35 oz)
S.I.M.	Dual SIM
Design	8 MP
Other
SCREEN
langfront.Type	IPS LCD
Size	6.5 inches
Resolution	720 x 1600 pixels
Protection	Gorilla Glass 3

PLATFORM
Operating system	Android 9.0 (Pie),ColorOS 6.1,
Chipset	Mediatek MT6765V/CB Helio P35 (12nm)
Processor	Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
GPU	PowerVR GE8320
MEMORY
Card slot	microSDXC
Internal & RAM	64GB 4GB RAM or 128GB 4GB RAM or 128GB 6GB RAM
CAMERA
Main	12 MP + 2 MP + 2 MP
SOUND
Loudspeaker	✔️
Jack 3,5 mm	✔️
CONNECTIVITY
Wifi	✔️
Bluetooth	✔️
GPS	✔️
NFC	❌
Radio	FM Radio
USB	microUSB 2.0
CHARACTERISTICS
Sensors	Fingerprint (rear-mounted),accelerometer,gyro,proximity,compass / Fingerprint (rear mounted),accelerometer,gyroscope,proximity,compass,
Various
BATTERY
Type	4230 mAh

What is the difference between OPPO A31 and in countries.United States?