Difference between OPPO RENO Z and ? in countries.United States

	PRODUCT 1	PRODUCT 2
	OPPO OPPO RENO Z
VERSION
Announced	2019
Release date	2019
NETWORK
Technology
DEVICE
Dimensions	157.3 x 74.9 x 9.1 mm
Weight	186 g
S.I.M.	Double SIM
Design	32MP
Other	HDR 10
SCREEN
langfront.Type
Size	6.4 inches
Resolution	1080 x 2340 pixels
Protection

PLATFORM
Operating system	Android 9.0 (Pie); ColorOS 6
Chipset	Mediatek MT6779 Helio P90 (12nm)
Processor	Octa-core (2x2.2 GHz Cortex-A75 & 6x2.0 GHz Cortex-A55)
GPU	PowerVR GM9446
MEMORY
Card slot	❌
Internal & RAM	128/256 GB, 6 GB RAM
CAMERA
Main	48 MP + 5 MP
SOUND
Loudspeaker	✔️
Jack 3,5 mm	✔️
CONNECTIVITY
Wifi	✔️
Bluetooth	✔️
GPS	✔️
NFC	✔️
Radio	❌
USB	Type-C 1.0
CHARACTERISTICS
Sensors	Fingerprint (under display),accelerometer,gyroscope,proximity,compass,
Various	20W fast battery charging
BATTERY
Type	4035 mAh

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