Difference between VIVO Y91 and ? in countries.United States

	PRODUCT 1	PRODUCT 2
	VIVO VIVO Y91
VERSION
Announced	2019
Release date	2019
NETWORK
Technology
DEVICE
Dimensions	155.1 x 75.1 x 8.3 mm
Weight	163.5 g
S.I.M.	Duel
Design	1080p@30fps
Other
SCREEN
langfront.Type
Size	6.22 inches - 720 x 1520 pixels
Resolution
Protection

PLATFORM
Operating system	Android 8.1 (Oreo)
Chipset	Mediatek MT6762 Helio P22 (12nm)
Processor	Octa-core 2.0 GHz Cortex-A53
GPU	PowerVR GE8320
MEMORY
Card slot	microSD, up to 256 GB
Internal & RAM	64 GB, 3 GB RAM
CAMERA
Main	13 MP + 2 MP - Selfie 8 MP
SOUND
Loudspeaker	✔️
Jack 3,5 mm	✔️
CONNECTIVITY
Wifi	✔️
Bluetooth	✔️
GPS	✔️
NFC
Radio	FM radio
USB	microUSB 2.0
CHARACTERISTICS
Sensors	Fingerprint reader
Various	accelerometer,proximity,compass,
BATTERY
Type	4030 mAh

What is the difference between VIVO Y91 and in countries.United States?